E02 — Door lock / interlock fault
Persistent obstruction; misaligned interlocks; worn landing door pick-up rollers.
If you want, I can tailor this to a printable one-page card, a technician-facing checklist, or a webpage FAQ.
Error codes for the Schindler 5500 often overlap with other models in the Miconic TX or Bionic control families. They are typically displayed as four-digit numbers or short alphanumeric messages. Drive & Inverter Errors (04xx Series) schindler 5500 error codes
| Error Code | Description | Common Root Causes | | :--- | :--- | :--- | | | Safety Chain (KSE) Open | Landing door lock open; car door lock open; emergency exit switch tripped; governor overspeed switch. | | E-1125 | Final Limit Switch (UL/DL) | Car overshoots top or bottom terminal landing; buffer switch activated; limit magnet misaligned. | | E-2001 | Door Zone (DZ) Missing | Inductor sensor fails to detect landing magnets; controller does not see floor zone. | | E-2105 | Door Close Timeout | Mechanical binding of doors; obstructed light curtain; worn door motor belt. |
The elevator overshot the floor, the level distance was exceeded, or the leveling sensor is faulty. 2. Door System Errors (03xx Series)
When diagnosing a Schindler 5500, never look at just the active fault. Always check the . E02 — Door lock / interlock fault Persistent
Often grouped under drive ( DRV ) or inverter ( INV ) fault modules. Common Causes:
The drive has detected the motor is too hot.
Ensure the encoder cable is shielded and grounded properly at the controller. Check for loose connector pins at the motor. They are typically displayed as four-digit numbers or
: Elevator blocked due to a machine brake check failure. 01 : Primary safety contact is open circuit.
Temporary events that do not stop the elevator.
⚠️ clear codes without recording them first – they are essential for root cause analysis.