Schindler 5500 Error Codes Free 2021 Jun 2026

: The safety circuit drops out or the brake module reports an unexpected open state during active car motion.

The door closed without the correct command. Check KET_S (door closed limit switch).

Shaft positioning coordinates are registered via magnetic switches or absolute positioning tape system networks, such as the Schindler SALSIS unit . schindler 5500 error codes free

| Error ID | Short Name | Description & Common Cause | | :--- | :--- | :--- | | | Inv Car Pos | Invalid Car Position. The actual car position is not in the range of the learned floor positions (approx. 1m above or below the traveled range). This usually requires a Learn Trip after replacing the encoder. | | 1502 | Position Jump | Position Jump. The software detected a difference in car position reading exceeding 240mm between two consecutive readings (10ms cycles). This will trigger a permanent block. Often caused by EMC issues or a faulty encoder. | | 1505 | Inv Fl Pos Trip | Invalid Floor Position during Trip. The floor data calculated during the trip does not match the expected pattern. Usually related to faulty floor magnets or vane sensors (KUET/KUET2). |

: Overtemperature warnings for the motor or drive system, respectively. : The safety circuit drops out or the

The following codes are frequently encountered in the 5500 and similar MRL (Machine Room-Less) systems: Error Code Description Corrective Action Control system power on Verification of system reboot . 0066 Control cabinet excessive heat Inspect cooling fans and cabinet ventilation . 0301/0302 Door closing/opening timeout Check for physical obstructions or sensor misalignment . 0430/0431 Brake switch mismatch Verify brake switch state; "0431" is a fatal error . 0435 Motor overtemperature

The Schindler 5500 uses a CAN-bus protocol to allow the main controller, car top, and landing call stations to communicate. 1m above or below the traveled range)

The relies on high-tech diagnostic logs to safeguard passengers and prevent physical components from failing. When the system encounters a fault, it delivers an alphanumeric error code directly onto the Schindler Mobile LCD (SMLCD) diagnostic screen . Understanding these diagnostic faults for free helps elevator technicians, building engineers, and facility managers bypass expensive guesswork, speed up restoration times, and safely fix mechanical or electronic blockages.