Sanyo XHS3632 Service Manual page 59

Possible causes of troubles
Indoor thermistor is either
open or short.
Outdoor thermistor is either
open or short.
• Non volatile memory IC (EEPROM) is abnormal (Indoor control panel)
Protective device for
compressor is activated.
O: flashes
: OFF
Indoor coil temp. (E1) cannot be detected.
Indoor coil temp. (E2) cannot be detected.
Indoor room temperature cannot be detected.
Discharge gas temp. cannot be detected.
Outdoor coil liquid temp. (C1) cannot be detected.
Outdoor coil gas temp. (C2) cannot be detected.
Compressor motor is overloaded.
Compressor motor is locked.
Compressor current detection circuit is defective.
Power supply voltage between phases is unbalanced.
Standard comp. contactor (Mg SW)is chattering.
– 59 –
4. Service procedures
Wired remote Wireless remote
controller controller
display display
Operation lamp and heat
F01
stand-by lamp flash
F02
alternately.
O: Operation lamp
F10
O: Timer lamp
F04
:Heat stand-by
F06
lamp
F07
F29
H01
:Operation lamp
O: Timer lamp
H02
:Heat stand-by
H03
lamp
H17
H18
SM830076
Section
1
2
3
4