Applicable Systems
GA700
GA500
A1000
V1000
J1000
Symptoms
Heatsink overheat alarm: temperature approaching trip limit.
Possible Causes
- Cooling inadequate
- Heavy duty cycle
- Ambient too hot
Troubleshooting Steps
- Step 1: Check ventilation
Airflow unobstructed - Step 2: Verify cooling fan
Fan running - Step 3: Reduce duty cycle
Temperature below alarm
How to Reset
Auto-clear when temperature drops.
Source: Yaskawa GA700 Technical Manual, Yaskawa Electric
Category: PLC & VFD