Applicable Systems
Mitsubishi Elevator
Symptoms
Phase loss or voltage too low detected
Possible Causes
- Input phase loss
- voltage drop below threshold
- power supply issue
- main contactor fault
Troubleshooting Steps
- Step 1: Check three-phase input voltage
Verify the fault is resolved after completing this step. - Step 2: verify phase balance
Verify the fault is resolved after completing this step. - Step 3: inspect main contactor
Verify the fault is resolved after completing this step. - Step 4: check power supply
Verify the fault is resolved after completing this step.
How to Reset
Power cycle after power restoration
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Source: baike.baidu.com; baijiahao (三菱故障代码); diantijob.com
Category: Elevator
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