Sanyo 26KHHS72R Service Manual - Page 149
Service procedures
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Page 149 highlights
4. Service procedures Possible cause of malfunction Wired remote control display Wireless remote controller receiver display Operation Timer Standby Ceiling panel connection failure P09 Activation of protective device Indoor protection Fan protective thermostat Float switch Discharge temperature trouble P01 P10 P03 Alternately Outdoor protection High pressure switch or compressor motor thermal protector is activated. P04 Open phase detected, AC power trouble P05 No gas P15 4-way valve locked P19 High cooling load Outdoor fan trouble P20 P22 Alternately Inverter compressor trouble (HIC PCB) P26 Inverter compressor trouble (MDC) Simultaneous-operation multi control trouble P29 P31 1 Compressor current failure (overload) H01 Thermistor fault Thermistor open circuit • Short circuit (indoor) Indoor heat exchanger temperature sensor (E1) Indoor heat exchanger temperature sensor (E2) Indoor temperature sensor F01 F02 F10 Alter. Thermistor open circuit Discharge temperature (TD) • Short circuit (outdoor) Outdoor heat exchanger temperature (C1) F04 F06 2 Outdoor heat exchanger temperature (C2) Outdoor air temperature (TO) F07 F08 Alter. Intake temperature (TS) F12 Indoor EEPROM error F29 Outdoor EEPROM error F31 Simul. 3 Simul. 4 5 6 SM831148 IV-3
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