Schindler 5500 Error Codes Verified Hot! -

| Error Code | Name / Message | Probable Cause(s) | Verified Action(s) | Source | | :--- | :--- | :--- | :--- | :--- | | | Inv Car Pos / Invalid Car Position | The car's position reading from the encoder is outside the learned range of floor stops (within 1 meter of extreme floors). | 1. Perform a "Learn Trip." 2. If fault returns, replace car position encoder and perform a new Learn Trip. 3. Check for EMC (Electromagnetic interference) issues with encoder wiring. | vatortrader.com | | 1502 | Position Jump | The software detected a sudden car position change exceeding 240mm between consecutive 10ms readings, triggering a permanent safety stop. | 1. Check for EMC problems with the car position encoder. 2. Check wiring and connectors of the position encoder; repair or replace as needed. 3. Replace the car position encoder if faulty. | vatortrader.com | | 1505 | InvFlPosTrp / Invalid Floor Position during Trip | The elevator was commanded to stop at a floor, but the floor's position in the system doesn't match the physical location (e.g., missing floor magnet/vane). | 1. Check for missing floor magnets or vanes (KUET/KUET2) in the hoistway. 2. Check the corresponding input on the interface board; replace the board if necessary. 3. Perform a "Learn Trip" to re-align the floor map. | vatortrader.com, vatortrader.com | | 1531 | E_FC_ENCODER_PULSE_MISSING | The drive unit has detected an invalid or missing signal from the motor encoder. | 1. Check the general wiring and connections to the motor encoder. 2. Check for electrical noise interference on the encoder signal lines. 3. Replace the motor encoder if the signal is confirmed faulty. | vatortrader.com, manualslib.com | | 1575/1576 | Brake Emergency Stop Limits | The brake monitoring system has recorded that the emergency stop warning limit (1575) or the blocking limit (1576) has been exceeded. | 1. For 1576: Car is out of service. Requires brake maintenance starting with air gap measurement. 2. Enter measured air gaps into SMLCD via Parameter → BrakeMonEmgStp . 3. If air gaps exceed limits, replace the brake(s). | manualslib.fr | | 21 60-65 | Shaft Learning Errors | Inconsistencies or impossibilities detected during the setup of the hoistway map, such as distances <300mm between floors or missing flag edges. | 1. 21 60: Redo the learning travel. 2. 21 62-65: Redo learning travel. Check hoistway info devices (PHS, light barrier, magnet switches) for EMC issues. 3. 21 63/65: Manually erase hoistway image and run a "synchronization trip". | fliphtml5.com | | 4305/99 | Generic Resetting Failure | The control system fails to reset after a fault, such as a terminal overshoot. | 1. Check and reset external safety switches, such as counterweight buffer safety switches. 2. Perform a single reset; avoid multiple or "double resets" as this can prevent a successful reset. | vatortrader.com | | 70 (Status) | Elevator in Recovery Mode | The elevator is recovering from a fault, often a communication problem with the drive. | 1. Check drive communication status in Menu 30 . 2. Try temporary open-loop movement from the bottom floor ( Menu 10-2 ) to re-establish position. 3. This status often clears on its own if the underlying cause is resolved. | vatortrader.com | | 0019 | E_ELEVATOR_WATCHDOG_RESET | The main controller has performed a watchdog reset, restarting itself. | 1. The primary cause is a main controller software internal problem. 2. Verify if a main controller software update is available and update accordingly. | vatortrader.com |

Mechanical binding in the hoistway, unbalanced counterweights, or shorted motor windings.

DC link voltage within the inverter is too high.

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Often caused by a broken or disconnected safety circuit signal cable . Technicians should verify wiring between the control (ASxxx board) and the frequency converter. schindler 5500 error codes verified

These errors indicate issues with the absolute positioning system or physical safety switches.

When the system shows a '70' status indicating recovery from drive communication issues:

“We could,” Marco said, “but that wastes parts and time. Unverified codes happen when a rider presses the door open button at the exact wrong microsecond, or when a cleaning cart bumps the hall door. If we treated every yellow code as an emergency, we’d drive costs up and never fix the real issues.”

– The system has lost track of the car’s position in the shaft, typically requiring a reset or relearn run. | Error Code | Name / Message |

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: Check for contactor failure, inspect input signals, and verify the tacho sensor.

Measure resistance across CAN_H and CAN_L (should be approximately 60 ohms with power off). Check for proper shielding ground. Error 0910: Car Top Node (SLCUX) Offline

Brake switches do not match the commanded state. Code 0431 is a version of this error 0435 (Motor Overtemperature): If fault returns, replace car position encoder and

The 5500 uses the Schindler DMC (Door Motion Controller). These are the highest frequency verified codes.

Abnormal status in the inspection panel circuit (REC/RH panel). This may require a manual reset Drive & Inverter Faults (400-Series)