Sanyo SPW-XR253GH56 Technical Data & Service Manual page 174

Possible causes of troubles
Indoor thermistor is either
open or short.
Outdoor thermistor is either
open or short.
Protective device for
compressor is activated.
O: flashes
: OFF
1
1 2
3
4
5
Indoor coil temp. (E1 = TH2) cannot be detected.
Indoor coil temp. (E2 = TH3) cannot be detected.
Indoor room temperature cannot be detected.
Discharge gas temp.A (PC compressor=TH0A) cannot be detected.
Outdoor coil liquid temp. (C1 = TH0E) cannot be detected.
Outdoor coil gas temp. (C2 = TH0C) cannot be detected.
PC compressor motor is overloaded.
PC compressor motor is locked.
Compressor current detection circuit is defective.
Low-pressure protector is activated.
(Low pressure switch or low pressure prevention.)
Standard comp. contactor (Mg SW)is chattering.
IV - 8
4. Service procedures
Wired remote Wireless remote
controller controller
display display
Operation lamp
F01
and heat stand-by
F02
lamp flash
F10 alternately.
O: Operation
F04
lamp
F06
O: Timer lamp
F07
:Heat stand-
by lamp
H01
:Operation
H02
lamp
H03
O: Timer lamp
H06
:Heat stand-
by lamp
H18
SM830080