Applicable Systems
Kone Elevator
Symptoms
Main contactor did not release when elevator stopped
Possible Causes
- Main contactor welded
- contactor mechanical fault
- contactor control circuit fault
Troubleshooting Steps
- Step 1: Check main contactor
Verify the fault is resolved after completing this step. - Step 2: inspect for welding
Verify the fault is resolved after completing this step. - Step 3: verify control circuit
Verify the fault is resolved after completing this step. - Step 4: replace contactor if welded
Verify the fault is resolved after completing this step.
How to Reset
Power cycle; replace contactor if needed
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Source: baijiahao (KONE codes); doc88.com; docin.com
Category: Elevator
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