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Pitagora 4.0 – New Troubleshooting EN


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FAULT LISTFault CodeFault NameSubcodeFault TypeDescriptionType of controllerType of positioning systemCauseRemedyNote
1Reset9InfoIt’s a reminder to perform a power supply resetELGO9 months without power restartReset the power supply within 3 monthsLift continues to operate. The reset timer is indipendent of the time and date setting
1Reset9InfoIt’s a reminder to perform a power supply reset9 months without power restartReset the power supply within 3 monthsLift continues to operate. The reset timer is indipendent of the time and date setting
1Reset12AlertA power supply reset is requiredELGO12 months without power restart. Lift is out of service.Reset the power supplyThe reset timer is indipendent of the time and date setting
1Reset12AlertA power supply reset is required12 months without power restart. Lift is out of service.Reset the power supplyThe reset timer is indipendent of the time and date setting
1Reset100InfoThe error appears after a power failure, when the system is switched onEnd of emergency operation: car at floor with door openYou don’t have to do anythingFault shown only in emergency manoevre. If power restart, faul overwritten by subcode 101
1Reset101InfoThe error appears after a power failure, when the system is switched onMagnet and magnetic switchPower supply: The controller was restarted and performed a reset procedure You don’t have to do anything
1Reset101InfoThe error appears after a power failure, when the system is switched onMotor EncoderPower supply: The controller was restarted and performed a reset procedure.You don’t have to do anything
1Reset101InfoThe error appears after a power failure, when the system is switched onDMG Rope EncoderPower supply: The controller was restarted and performed a reset procedure.You don’t have to do anything
1Reset102InfoThe error appears after a power failure, when the system is switched onELGOPower supply: The controller was restarted. Reset procedure isn’t necessary.You don’t have to do anything
1Reset255InfoRemote fault reset commandRemote Reset faults in memory by Fusion App, excluding faults with special/specific reset.You don’t have to do anything
2Contactors blocked0AlertOne or more of the NC contacts associated with the contactor (input CCO) remained open after the car stopped at floor.Electric ControllerLoose contact on CCO circuit or broken contactor.Check:
1) The series of auxiliary contacts (NC) of the contactors and
the other cables in series in the CCO circuit
2) The wiring of the CCO circuit wiring as indicated in the wiring schematics
3) The CCO input of the Mother board (connectors J22 or J23 or J14)
CCO input is viewable via Playpad in I/O status menu, Playboard in/out page 2
2Contactors blocked1AlertOne or more of the NC contacts associated with the contactors (input CCOB) remained open after the car stopped at floor. Electric ControllerLoose contact on CCOB circuit or broken contactorsCheck:
1) The series of auxiliary contacts (NC) of contactors and the other cables in series in the CCOB circuit
2) The wiring of the CCOB circuit wiring as indicated in the wiring schematics
3) The CCOB input of the Mother board (VVVF controller: connectors J22 or J23 or J14)
CCOB input is viewable via Playpad in I/O status menu, Playboard in/out page 2
2Contactors blocked2AlertOne or more of the NC contacts associated with the contactors and wired in series to the “CCO+CCOB” inputs, remained open after the car stopped at floor.Electric ControllerLoose contact on CCO circuit or broken motor contactor.
Loose contact on CCOB circuit or broken contactors.
Check:
1) The series of auxiliary contacts (NC) of the contactors and
the other cables in series in the CCO circuit
2) The wiring of the CCO circuit wiring as indicated in the wiring schematics
3) The CCO input of the Mother board (connectors J22 or J23 or J14)
4) The series of auxiliary contacts (NC) of contactors and the other cables in series in the CCOB circuit
5) The wiring of the CCOB circuit wiring as indicated in the wiring schematics
6) The CCOB input of the Mother board (VVVF controller: connectors J22 or J23 or J14)
CCO and CCOB inputs are viewable via Playpad in I/O status menu, Playboard in/out page 2
2Contactors blocked11AlertThe NC contact associated with the MOTOR power contactor CM1 remained open after the car stopped at floor. Only for Direct, Star Delta or Hydro+VVF Option Hydraulic ControllerLoose contact on YBRK circuit or broken motor contactor CM1.Check:
1) The auxiliary contact (NC) of the motor contactor
2) The wiring of the YBRK circuit wiring as indicated in the wiring schematics
3) The YBRK input of the Mother board connector J23
YBRK input is viewable via Playpad in I/O status menu, Playboard in/out page 2
2Contactors blocked12AlertThe NC contact associated with the MOTOR power contactor CM2 remained open after the car stopped at floor. Only for Direct or Hydro+VVF Option Hydraulic ControllerLoose contact on CCO circuit or broken motor contactor CM2Check:
1) The auxiliary contact (NC) of the motor contactor
2) The wiring of the CCO circuit wiring as indicated in the wiring schematics
3) The CCO input of COIL board (connectors J2 or JM1) or on the Mother board connector J22
CCO input is viewable via Playpad in I/O status menu, Playboard in/out page 2
2Contactors blocked13AlertOne of the NC contacts associated with the MOTOR power contactors CM1 or CM2 remained open after the car stopped at floor. Only for Soft Starter OptionHydraulic ControllerLoose contact on CCO circuit or broken motor contactors CM1 or CM2Check:
1) The auxiliary contacts (NC) of the motor contactors
2) The wiring of the CCO circuit wiring as indicated in the wiring schematics
3) The CCO input of COIL board (connectors J2 or JM1) or on the Mother board connector J22
CCO input is viewable via Playpad in I/O status menu, Playboard in/out page 2
2Contactors blocked14AlertThe contact associated with the Soft Starter remained open after the controller try to start the motor. Only for Soft Starter OptionHydraulic ControllerLoose contact on YBRK circuit or Soft Starter END output Check:
1) The auxiliary contact (NO) of the motor contactor CM2
2) The RUN input of Soft Starter or M2 connector on COIL board
3) The END Output of Soft Starter
4) The wiring of the YBRK circuit wiring as indicated in the wiring schematics
5) The YBRK input of the Mother board connector J23
YBRK input is viewable via Playpad in I/O status menu, Playboard in/out page 2
2Contactors blocked15AlertOne of the NC contacts associated with the MOTOR power contactors CM2 or CM3 remained open after the car stopped at floor. Only for Star Delta Option.Hydraulic ControllerLoose contact on CCO circuit or broken motor contactors CM2 or CM3.Check:
1) The series of auxiliary contacts (NC) of the motor contactors CM2 and CM3 and the other cables in series in the CCO circuit
2) The wiring of the CCO circuit wiring as indicated in the wiring schematics
3)The CCO input of COIL board (connectors J2 or JM1) or on the Mother board connector J22
CCO input is viewable via Playpad in I/O status menu, Playboard in/out page 2
2Contactors blocked200AlertOne of the NC contacts associated with the VALVE’s contactors remained open after the car stopped at floor.Hydraulic ControllerLoose contact on CCOB circuit or broken VALVE’s contactors.Check:
1) The series of auxiliary contacts (NC) of the VALVE contactors and the other cables in series in the CCOB circuit
2) The wiring of the CCOB circuit wiring as indicated in the wiring schematics
3) The CCOB input of COIL board (connectors J2 or JV3) or on the Mother board connector J14
CCOB input is viewable via Playpad in I/O status menu, Playboard in/out page 2
3Low speed too long0WarningLift moved at low speed for too long (the fault appears if the lift does not reach the floor once it has received the low speed command from the controller within the set time).Electric ControllerMagnet and magnetic switchThe cause may be too low engine torque in the approaching floor phaseCheck:
1) The parameter relating to the error timing (https://dido.dmg.it/knowledge-base/controller-p40/#configuration-menu); increase it if necessary
2) The speed of the elevator at low speed. Increase it if necessary. Increase parameter C07 in steps of 2 Hz (Playpad, VVVF advanced menu, https://dido.dmg.it/knowledge-base/controller-p40/#vvvf-menu)
3) Increase the value of P06 (PlayPad, VVVF Advanced menu, https://dido.dmg.it/knowledge-base/controller-p40/#vvvf-menu) up to a maximum of 60% of P03 (nominal value)
4) The slowdown distance to the indicated floor, or increase the E13 deceleration ramp (PlayPad, VVVF Advanced menu, https://dido.dmg.it/knowledge-base/controller-p40/#vvvf-menu).
3Low speed too long0WarningLift moved at low speed for too long (the fault appears if the lift does not reach the floor once it has received the low speed command from the controller within the set time).Electric ControllerMotor EncoderThe cause may be too low engine torque in the approaching floor phaseCheck:
1) The parameter relating to the error timing (https://dido.dmg.it/knowledge-base/controller-p40/#configuration-menu); increase it if necessary
2) The speed of the elevator at low speed. Increase it if necessary. Increase the stopping boost in steps of 2% (PlayPad, System Positioning menu, https://dido.dmg.it/knowledge-base/controller-p40/#system-positioning-menu) 3) Increase the value of P06 (Playpad, VVVF menu advanced, https://dido.dmg.it/knowledge-base/controller-p40/#vvvf-menu, no-load current) up to a maximum of 60% of P03 (nominal value);
4) the R1D/R1S distance value (Playpad, System Positionig menu, https://dido.dmg.it/it/knowledge-base/controller-p40/#system-positioning-menu).
3Low speed too long0WarningLift moved at low speed for too long (the fault appears if the lift does not reach the floor once it has received the low speed command from the controller within the set time).Electric ControllerDMG Rope EncoderThe cause may be too low engine torque in the approaching floor phaseCheck:
1) The parameter relating to the error timing (https://dido.dmg.it/knowledge-base/controller-p40/#configuration-menu); increase it if necessary
2) The speed of the elevator at low speed. Increase it if necessary. Increase the stopping boost in steps of 2% (PlayPad, System Positioning menu, https://dido.dmg.it/knowledge-base/controller-p40/#system-positioning-menu) 3) Increase the value of P06 (Playpad, VVVF menu advanced, https://dido.dmg.it/knowledge-base/controller-p40/#vvvf-menu, no-load current) up to a maximum of 60% of P03 (nominal value);
4) the R1D/R1S distance value (Playpad, System Positionig menu, https://dido.dmg.it/it/knowledge-base/controller-p40/#system-positioning-menu).
3Low speed too long0WarningLift moved at low speed for too long (the fault appears if the lift does not reach the floor once it has received the low speed command from the controller within the set time).Electric ControllerELGOThe cause may be too low engine torque in the approaching floor phaseCheck:
1) The parameter relating to the error timing (https://dido.dmg.it/knowledge-base/controller-p40/#configuration-menu); increase it if necessary
2) The speed of the elevator at low speed. Increase it if necessary. Increase the stopping boost in steps of 2% (PlayPad, System Positioning menu, https://dido.dmg.it/knowledge-base/controller-p40/#system-positioning-menu) 3) Increase the value of P06 (Playpad, VVVF menu advanced, https://dido.dmg.it/knowledge-base/controller-p40/#vvvf-menu, no-load current) up to a maximum of 60% of P03 (nominal value);
4) the R1D/R1S distance value (Playpad, System Positionig menu, https://dido.dmg.it/knowledge-base/controller-p40/#system-positioning-menu).
3Low speed too long0WarningLift moved at low speed for too long (the fault appears if the lift does not reach the floor once it has received the low speed command from the controller within the set time).Hydraulic ControllerMagnet and magnetic switchLift moved at low speed for too longCheck:
1) The parameter relating to the error timing (https://dido.dmg.it/knowledge-base/controller-p40/#configuration-menu); increase it if necessary
2) the slowdown distance to the indicated floor (FAI/FAS magnets)
3) Valve activation circuit (see electrical diagram)
3Low speed too long0WarningLift moved at low speed for too long (the fault appears if the lift does not reach the floor once it has received the low speed command from the controller within the set time).Hydraulic ControllerDMG Rope EncoderLift moved at low speed for too longCheck:
1) The parameter relating to the error timing (https://dido.dmg.it/knowledge-base/controller-p40/#configuration-menu); increase it if necessary
2) the R1D/R1S distance value (Playpad System Positioning menu, https://dido.dmg.it/knowledge-base/controller-p40/#system-positioning-menu) 4) Valve activation circuit (see diagram electric)
3) Valve activation circuit (see electrical diagram)
3Low speed too long0WarningLift moved at low speed for too long (the fault appears if the lift does not reach the floor once it has received the low speed command from the controller within the set time).Hydraulic ControllerELGOLift moved at low speed for too longCheck:
1) The parameter relating to the error timing (https://dido.dmg.it/knowledge-base/controller-p40/#configuration-menu); increase it if necessary
2) the R1D/R1S distance value (Playpad System Positioning menu, https://dido.dmg.it/knowledge-base/controller-p40/#system-positioning-menu) 4) Valve activation circuit (see diagram electric)
3) Valve activation circuit (see electrical diagram)
4Overload0AlertOverload input (SUR) activated (NO contact).Overload in the car. Overload input SUR activatedCheck:
1) The SUR input (if locked) and wiring;
2) The setting of the load weighing device (https://dido.dmg.it/knowledge-base/llec6-load-weighing-device/)
SUR input is viewable via Playpad in I/O status menu, Playboard in/out page 1
5Positioning fault0WarningThis error shows a difference between the performed theoretical counting and the real position detectedMagnet and magnetic switchDifference between theoretical counting and the real position at the activation of the AGB/AGH limit contactsCheck:
1) The correct positioning of the magnets
2) The operation of the magnetic pulsers
3) The distance between extreme contact and magnet
5Positioning fault0WarningThis error shows a difference between the performed theoretical counting and the real position detectedMotor EncoderDifference between theoretical counting and the real position at the activation of the AGB/AGH limit contactsCheck:
1) The correct positioning of the magnets
2) The operation of the magnetic pulsers
3) The distance between extreme contact and magnet
4) The correct operation/connection of the encoder
The tolerance is up to 5 cm compared to the learning quota.
5Positioning fault0WarningThis error shows a difference between the performed theoretical counting and the real position detectedDMG Rope EncoderDifference between theoretical counting and the real position at the activation of the AGB/AGH limit contactsCheck:
1) The correct positioning of the magnets
2) The operation of the magnetic pulsers
3) The distance between extreme contact and magnet
4) The correct operation/connection of the encoder
The tolerance is up to 5 cm compared to the learning quota.
5Positioning fault100WarningThis error shows a difference between the performed theoretical counting and the real position detectedMagnet and magnetic switchDifference between theoretical counting and the real position at the activation of door area sensor ZP (passing floor) Check:
1) The correct positioning of the magnets
2) The operation of the magnetic pulsers
3) The distance between extreme contact and magnet
5Positioning fault100WarningThis error shows a difference between the performed theoretical counting and the real position detectedMotor EncoderDifference between theoretical counting and the real position at the activation of door area sensor ZP (passing floor) Check:
1) The correct positioning of the magnets
2) The operation of the magnetic pulsers
3) The distance between extreme contact and magnet
4) The correct operation/connection of the encoder
The tolerance is up to 5 cm compared to the learning quota.
5Positioning fault100WarningThis error shows a difference between the performed theoretical counting and the real position detectedDMG Rope EncoderDifference between theoretical counting and the real position at the activation of door area sensor ZP (passing floor) Check:
1) The correct positioning of the magnets
2) The operation of the magnetic pulsers
3) The distance between extreme contact and magnet
4) The correct operation/connection of the encoder
The tolerance is up to 5 cm compared to the learning quota.
5Positioning fault200WarningThis error shows a difference between the performed theoretical counting and the real position detectedMagnet and magnetic switchDifference between theoretical counting and the real position at the activation of door area sensor ZP (stopping floor) Check:
1) The correct positioning of the magnets
2) The operation of the magnetic pulsers
3) The distance between extreme contact and magnet
5Positioning fault200WarningThis error shows a difference between the performed theoretical counting and the real position detectedMotor EncoderDifference between theoretical counting and the real position at the activation of door area sensor ZP (stopping floor) Check:
1) The correct positioning of the magnets
2) The operation of the magnetic pulsers
3) The distance between extreme contact and magnet
4) The correct operation/connection of the encoder
The tolerance is up to 5 cm compared to the learning quota.
5Positioning fault200WarningThis error shows a difference between the performed theoretical counting and the real position detectedDMG Rope EncoderDifference between theoretical counting and the real position at the activation of door area sensor ZP (stopping floor) Check:
1) The correct positioning of the magnets
2) The operation of the magnetic pulsers
3) The distance between extreme contact and magnet
4) The correct operation/connection of the encoder
The tolerance is up to 5 cm compared to the learning quota.
6Direction faultXXXAlertThe controller detects the wrong direction of travel.DMG Rope EncoderWrong direction of travelCheck:
1) The direction of travel of the motor with respect to the direction (for example UP command vs. direction of car movement). The encoder value must increase (in descent it must decrease). Everything is visible through the “Monitor Encoder” menu via PlayPad (https://dido.dmg.it/knowledge-base/controller-p40/#system-positioning-menu);
2) The clockwise / counter-clockwise configuration of the Encoder (https://dido.dmg.it/knowledge-base/controller-p40/#system-positioning-menu);
3) The AGH and AGB inputs (if they are activated in the opposite direction to the direction of travel of the lift)
6Direction faultXXXAlertThe controller detects the wrong direction of travel.Magnet and magnetic switchWrong direction of travelCheck:
1) The direction of travel of the motor with respect to the direction (for example UP command vs. direction of car movement). Check the correct activation of the input sensors of the FAI/FAS magnet and magnetic switch counting system (I/O status menu of the PlayPad https://dido.dmg.it/knowledge-base/controller-p40/#i-o-status-menu).
2a) Counting with magnet and magnetic switch system (FAI/FAS): Installation and connection of the impulse switches. Check for any magnetization phenomena on the guides;
3) The AGH and AGB inputs (if they are activated in the opposite direction to the direction of travel of the lift)
7Safety 3 open at stopXXXAlertSafety chain interrupted with elevator not running. Calls are deleted. On the PlayPad Led SE3 is off.Safety 3 open at stopCheck all contacts between the terminals:
S35 – S36 (Cabin roof)
SC3 –SM4 (Controller)
Safety devices: Safety Gear, Limit switches, Overspeed Governor
9Door lock fault5WarningSafety chain open at point SE6 when a call is registered.
With automatic door: door re-opens and then closes (3 times, after which all calls are cancelled).
Other door types: after a few seconds all calls are cancelled.
Floor doorsCheck:
1) All contacts between the terminals SD2-SD3 and their connection
2) If an object obstructs the closing of the door to the indicated floor on PlayPad (POS)
3) In case of 81-21 devices check its contacts in Normal mode operations.
9Door lock fault6WarningSafety chain open at point SE6 when a call is registered.
With automatic door: door re-opens and then closes (3 times, after which all calls are cancelled).
Other door types: after a few seconds all calls are cancelled.
Car doorsCheck:
1) All contacts between the terminals:
S35 – S36 (Cabin roof)
SC4 – SC5 and their connection (Controller)
2) If an object obstructs the closing of the door to the indicated floor on PlayPad (POS)
3) In case of 81-21 devices check its contacts in Normal mode operations.
10Door A opening slippageXXXWarningDoor A does not open within the planned time (10s default). In case of slippage during door opening, the door A is considered open.Door A does not open or does not complete openingCheck:
1) Door open limit switch (FOA) and its wiring (FOx on MOT3 board for three-phase ports/AUTO board for regulated door operators, JDA on TOC board); setting (by PlayPad, see https://dido.dmg.it/it/knowledge-base/controller-p40/#doors-menu)
2) Door operator power supply (MOT3 board for three-phase ports/AUTO board for regulated door operators) and fuses;
3) Door open contactors ROA (menu I/O PlayPad, see https://dido.dmg.it/it/knowledge-base/controller-p40/#i-o-status-menu)
Door with limit switch (set https://dido.dmg.it/knowledge-base/controller-p40/#doors-menu). Door open limit switch FOA and door open contactors ROA status are viewable via Playpad in I/O status menu, Playboard in/out page 3
11Door B opening slippageXXXWarningDoor B does not open within the planned time (10s default). In case of slippage during door opening, the door A is considered open.Door B does not open or does not complete openingCheck:
1) Door open limit switch (FOB) and its wiring (FOx on MOT3 board for three-phase ports/AUTO board for regulated door operators, JDA on TOC board); setting (by PlayPad, see https://dido.dmg.it/it/knowledge-base/controller-p40/#doors-menu)
2) Door operator power supply (MOT3 board for three-phase ports/AUTO board for regulated door operators) and fuses;
3) Door open contactors ROB (menu I/O PlayPad, see https://dido.dmg.it/it/knowledge-base/controller-p40/#i-o-status-menu)
Door with limit switch (set https://dido.dmg.it/knowledge-base/controller-p40/#doors-menu). Door open limit switch FOA and door open contactors ROA status are viewable via Playpad in I/O status menu, Playboard in/out page 3
12Safety 3 open during travelWarningSafety chain open before Input SE3 while lift was travelling. Car stops and elevator car calls are cancelled.

On the PlayPad Led SE3 is off.
Safety 3 open during travelCheck all contacts between the terminals
S35-S36 (Top of Car)
SC3-SM4 (controller)
Safety devices: Safety Gear, Limit switch, Overspeed Governor.
13Motor temperature sensor1WarningTH1 input motor thermistor thermal probe (NC contact) activated. TH1 open.High engine temperatureCheck:
1) Input TH1;
2) Sensor connections;
3) State of the motor’s temperature sensor (see PlayPad in I/O status menu, Playboard in/out page 1)
13Motor temperature sensor2WarningTH2 input motor thermistor thermal probe (NC contact) activated. TH2 open.High engine temperatureCheck:
1) Input TH2;
2) Sensor connections;
3) State of the motor’s temperature sensor (see PlayPad in I/O status menu, Playboard in/out page 1)
13Motor temperature sensor3WarningTH1/TH2 inputs motor thermistor thermal probe (NC contact) activated. TH1/TH2 open.High engine temperatureCheck:
1) Input TH1 and TH2;
2) Sensor connections;
3) State of the motor’s temperature sensor (see PlayPad in I/O status menu, Playboard in/out page 1)
13Motor temperature sensor10WarningDoor Thermic input (TOC board, NO contact)High temperature on the door motorCheck:
1) Input M16 on TOC board
14Parameters memoryXXXWarningFault in the Eprom parameters memoryParameters memoryReset, re-enter and record all parameters
15Final limit switchXXXAlert + ResetFinal limit switched reachedElectric ControllerWhen it is reached the final limit switch (or Safety Gear or Overspeed Governor limiter trip), the input SE3 is active (NC contact).
After delay of 1,5 s the error remains in memory, even after deactivation of the signal, and inhibits the landing calls and the elevator car movements, until special reset Menu “Faults” is made (Reset SE3). Once the safety chain is restored, the elevator returns to the highest floor (the system moves to safety).
1) Release the final limit switch (or Safety Gear or OSG) closing the safety chain (SE3) and cancel fault in the PlayPad “Faults” Menu (Reset SE3)
2) Check:
Positioning System
Brake Hold
15Final limit switchXXXAlert + ResetFinal limit switched reachedHydraulic ControllerWhen it is reached the final limit switch (or Safety Gear or Overspeed Governor limiter trip), the input SE3 is active (NC contact).
After delay of 1,5 s the error remains in memory, even after deactivation of the signal, and inhibits the landing calls and the elevator car movements, until special reset Menu “Faults” is made (Reset SE3). Once the safety chain is restored, the elevator returns to the lowest floor (the system moves to safety).
1) Release the final limit switch (or Safety Gear or OSG) closing the safety chain (SE3) and cancel fault in the PlayPad “Faults” Menu (Reset SE3)
2) Check:
Positioning System
Valve circuit

Updated on 19 Giugno 2024
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