20 Nov 101 Posted at 00:30h in Technical Soporte by 0 Likes Symptom: MGTC-20, DXTC-20, DXTH-20 – ERROR CODE FH Solution: NORMAL PROTECTION Cause: LIMITING/REDUCING FREQUENCY FOR COMPRESSOR DRIVING PROTECTION Remarks: DESCRIPTION: WHENEVER THE BUS VOLTAGE IS TOO LOW. WHEN THE BUS VOLTAGE REACHES TO THE POINT WHERE FREQUENCY LIMITATION/REDUCTION IS NEEDED, IT WILL ACTIVATE THE FH PROTECTION. REPAIR: 1) THIS IS A NORMAL PROTECTION
