16 May 100

Symptom: MGTC-20, DXTC-20, DXTH-20 – ERROR CODE FF

Solution: NORMAL PROTECTION

Cause: LIMITING/REDUCING FREQUENCY FOR IPM MODULE TEMPERATURE PROTECTION

Remarks:

DESCRIPTION:

WHENEVER THE IPM HAS A HIGH TEMPERATURE.

WHEN THE IPM TEMPERATURE REACHES TO THE POINT WHERE FREQUENCY LIMITATION/REDUCTION IS NEEDED, IT WILL ACTIVATE THE FF PROTECTION.

REPAIR:

1) THIS IS A NORMAL PROTECTION