Applicable Systems
Fujitec Control System
Symptoms
Safety circuit input signal remains in ON state continuously
Possible Causes
- Safety circuit contact stuck closed
- safety relay welded
- safety switch fault
Troubleshooting Steps
- Step 1: Check safety circuit contacts
Verify the fault is resolved after completing this step. - Step 2: inspect safety relay
Verify the fault is resolved after completing this step. - Step 3: verify safety switches
Verify the fault is resolved after completing this step. - Step 4: replace welded relay
Verify the fault is resolved after completing this step.
How to Reset
Power cycle after relay check
Source: baijiahao (huasheng fujitec); toutiao.com/w/1874164112328836
Category: Elevator