Yaskawa GA700 Error Code rH

Yaskawa PLC & VFD Major Overtemperature

Model: GA700 | Code: rH

Applicable Systems
GA700 GA500 A1000 V1000 J1000

Symptoms

Heatsink overheat: heatsink temperature too high.

Possible Causes

  • Cooling fan failure
  • Heatsink clogged
  • Ambient too hot

Troubleshooting Steps

  1. Step 1: Check cooling fan
    Fan running at rated speed
  2. Step 2: Clean heatsink
    Heatsink clean
  3. Step 3: Reduce ambient temperature
    Temperature within rated range

How to Reset

Reset via digital operator after temperature normalizes.

Source: Yaskawa GA700 Technical Manual, Yaskawa Electric

Category: PLC & VFD