Schindler 5500 Error Codes Verified

| Code | Description (Verified) | Common Cause | Recommended Action | |------|------------------------|---------------|---------------------| | E-5001 | CAN bus off – drive to SMIC | Terminating resistor missing or bus short circuit | Check bus termination (120 ohms); inspect for chafed wires. | | E-5005 | Group controller communication timeout | Bad connection in group network (3+ cars) | Reset group controller; check repeater modules. | | E-5012 | SMLCD service tool no response | Corrupted firmware or dead LCD | Reflash firmware; replace service tool interface. |

| Code | Description | Likely Cause | |------|-------------|----------------| | 0000 | No active error | Normal operation | | 0101 | Door open time exceeded | Door motor weak, obstruction, or door lock faulty | | 0104 | Door close time exceeded | Obstruction, defective door operator, or bad clutch | | 0201 | Overload | Load weighing system triggered (over 110% of rated load) | | 0203 | Load weighing sensor fault | Defective LWG sensor or wiring | | 0302 | Car overspeed (inspection mode) | Speed encoder, brake slippage, or V3F25 drive issue | | 0305 | Drive overcurrent | Short circuit in motor windings, defective drive module | | 0401 | Position lost | Pulse encoder failure, missing magnets, or rope slip | | 0410 | Floor position error | Wrong floor table, missing NBT/NBB magnets | | 0501 | Brake not opening | Coil open circuit, power supply failure, or contactor stuck | | 0502 | Brake not closing | Brake sticking, spring tension wrong, or contactor welded | | 0603 | Door lock circuit failure | Door contact not made when expected (safety chain) | | 0704 | Shaft information error | Bad NBT (magnet) pattern, corrupted floor table | | 0805 | Emergency stop activated | Car switch, pit stop, or machine room stop pressed | | 0909 | Communication error to group | CAN bus fault between cars or to main controller | | 1010 | V3F25 drive fault | Drive internal error, overtemp, DC link high/low | | 1201 | Car lighting failure | Emergency light on, main lighting relay failed | | 1300 | Battery low (emergency lowering) | Battery needs replacement or charging circuit fault |

Note: Codes are presented in decimal format as seen on the Schindler Service Tool (SVT).

They replaced the door belt in 35 minutes. The elevator logged no more 2471 errors. Passengers stopped noticing the pause. Henderson Tower’s building manager sent an email: “Whatever you did, the elevators feel new again.”

Marco smiled. The machine had spoken in numbers, and he had listened—not to the first whisper, but to the verified truth.

The following section details the most prevalent error codes for the Schindler 5500.

If you have a specific error code not listed here, provide the exact number (e.g., 2302) and I can give you the verified Schindler definition for that code.

Verified Schindler 5500 Error Codes

The Schindler 5500 is a popular elevator control system used in many buildings. However, like any complex system, it can sometimes experience issues that trigger error codes. Here's a list of verified Schindler 5500 error codes, their meanings, and possible causes: schindler 5500 error codes verified

Troubleshooting Tips:

Verified Error Code List:

The following is a list of verified Schindler 5500 error codes:

| Error Code | Description | Possible Causes | | --- | --- | --- | | 1 | Motor Overload | Overloaded car, faulty motor, or incorrect motor settings | | 2 | Brake Fault | Faulty brake system, misaligned brake shoes, or incorrect brake settings | | 3 | Encoder Fault | Faulty encoder, damaged encoder cable, or incorrect encoder settings | | 4 | Communication Loss | Faulty communication cable, incorrect communication settings, or controller failure | | 5 | Power Supply Fault | Faulty power supply, incorrect power supply settings, or power supply overload |

Note: This list is not exhaustive and is subject to change. It's essential to consult the Schindler 5500 user manual or contact a professional for the most up-to-date and accurate information.

This report outlines verified error codes and troubleshooting procedures for the Schindler 5500 elevator system, based on technical documentation and field service guides. Core System Error Codes

These codes typically appear on the SMLCD (Schindler Monitoring and LCD Display) and indicate critical safety or movement failures. 0004 - InvldMovement (Invalid Movement):

This fatal error occurs when the controller detects encoder activity while the car should be idle. It often points to brake slippage or machine issues. 0019 - Watchdog Reset: | Code | Description (Verified) | Common Cause

Triggered when the system processor detects an internal problem and restarts automatically to clear the fault. 0033 - Start Up:

A status message indicating the system was reset, either manually by a user or following an earthquake mode reset. 0709 / 1680 - Communication/Safety Circuit:

Field reports indicate error 709 often precedes a more permanent 1680 breakdown. These are linked to broken safety circuit signals or loose wiring from the control board to the frequency converter. Drive and Inverter Faults (0400 Series)

The Schindler 5500 utilizes advanced drive systems where specific codes identify mechanical vs. electrical failures. 0430 / 0431 - Brake Switch Mismatch:

The brake switches do not match the commanded state. 0431 is a fatal version requiring a manual reset. 0435 - Motor Overtemperature:

The thermal sensor in the motor has tripped. This requires cooling the motor and checking for restricted airflow or shorted windings. 0446 - Drive Trip Start Failure:

The drive commanded a start, but no car movement was detected. Common causes include excess encoder position deviation or slipping belts. 0448 - Drive Inverter Failure: Internal hardware failure within the drive unit. Door System & Peripheral Errors

Door-related faults are among the most common and often require physical adjustment rather than board replacement. 0352 - Door Position Recovery Failure: | Code | Description | Likely Cause |

The system lost track of the door's physical position during a run. DLM (Door Lock Monitor) Fault:

Occurs when the elevator car is level, but the door limits indicate it is "open and closed" simultaneously. Adjusting the door operator limits usually resolves this. KB / KB1 Fault:

Indicates the brake contact is not switching properly. Technical guides note that KB switches are highly problematic on this control system and often require replacement. Verified Maintenance Procedures TMMB (Belt Monitoring) Fault Recovery:

A common issue where the system requires the steel belt manufacturing date to be re-entered. To clear, navigate to Main Menu > Parameter > STDM Install Data , enter the correct date, and activate CLR Disable in the commands menu. PEBO (Pulse Electric Brake Opening) Maintenance:

If the "PeboBat" error appears, it typically signifies the emergency brake batteries (usually 12V 7ah) in the hoistway are depleted and require replacement. LMS (Load Measurement) Calibration: If frequency readings on the SMLCD are outside of

, the LMS system must be re-zeroed or recalibrated using a known load. step-by-step walkthrough for resetting a specific code, such as the Drive Inverter Schindler 5500 error 709 - Elevator Forum

Situation: A building in Chicago had Code 3010 (Inverter overcurrent) appearing every morning at 8:00 AM, but not overnight.

Unverified action: Replace the drive (cost: $8,000).

Verified action:

Result: Code cleared. Verification confirmed via 500 test cycles. The drive was never replaced.