AUX Air Conditioning Error Codes; 1.HS(Y) HSA(Y) HSB(Y) HSF (Y) HV(Y) HVA(Y) digital display for the series air-conditioner faults: 2. H (Except KFR-25G/H) H1 HA HB series faults display: Fault source: PG motor feedback is abnormal Display mode: Timing light twinkles 4 times in every 8 seconds The display precedence level: 1   Fault source: