Failure in Opening the Door Lock

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This error is recorded if the door fails to open fully within 15 seconds, despite the door-opening signal being continuously present. It triggers after three continuous occurrences. It can also be registered if the landing door lock is bridged when the lift is in the door zone with door-lock signals and a door-open limit signal (for 1.5 s) but without a car door lock signal (valid only with high-voltage input of separate door).

• The door mechanism fails to complete the opening sequence within the 15-second time limit.
• Mechanical obstruction physically preventing the door from opening completely.
• Faulty door motor or an issue within the door control circuit.
• Bridging of the landing door lock while the lift is within the door zone, indicating a potential safety bypass.

Klicken Sie auf Schritte, um Ihren Fortschritt zu verfolgen.

1. 1

   Observe the door opening operation for any physical obstructions in the door path or track.

2. 2

   Measure the voltage and current supplied to the door motor during the opening sequence.

3. 3

   Verify the status of the door-opening signal, car door lock signal, and landing door lock signals, ensuring they are active as expected.

4. 4

   Check the door-open limit switch for proper activation when the door is expected to be fully open.

5. 5

   Inspect the door lock mechanism for proper engagement and disengagement.