Applicable Systems
MELSEC FX3U
MELSEC FX5U
FR-A800
FR-A700
MR-J4
iQ-R Motion Controller (R32MTCPU/R16MTCPU)
Symptoms
Operation panel power short circuit detected.
Possible Causes
- Panel power supply short
- Panel cable fault
- Panel connector short
Troubleshooting Steps
- Step 1: Check panel cable for shorts
No short circuits - Step 2: Verify panel connector
Connector not shorted - Step 3: Replace panel if faulty
New panel operates correctly
How to Reset
Reset via parameter unit after panel power repair.
Source: Mitsubishi FR-A800 Instruction Manual, Mitsubishi Electric
Category: PLC & VFD