Applicable Systems
FC-30
FC-51
FC-101
FC-202
FC-302
Symptoms
Mechanical brake fault detected.
Possible Causes
- Brake mechanism failure
- Brake control circuit fault
- Brake wear sensor triggered
Troubleshooting Steps
- Step 1: Inspect mechanical brake operation
Brake engages and releases correctly - Step 2: Check brake control circuit
Control signal present - Step 3: Replace brake if worn
New brake operates correctly
How to Reset
Reset via control panel after brake repair.
Source: Danfoss VLT FC-302 Operating Guide, Danfoss A/S
Category: PLC & VFD