Applicable Systems
Mitsubishi Elevator
Symptoms
Abnormally high speed detected
Possible Causes
- Speed exceeded rated
- speed control failure
- encoder feedback error
- inverter output too high
Troubleshooting Steps
- Step 1: Check speed control
Verify the fault is resolved after completing this step. - Step 2: verify encoder
Verify the fault is resolved after completing this step. - Step 3: inspect inverter output
Verify the fault is resolved after completing this step. - Step 4: check speed parameters
Verify the fault is resolved after completing this step.
How to Reset
Emergency stop; power cycle after repair
Source: baike.baidu.com; baijiahao (三菱故障代码); diantijob.com
Category: Elevator