Sanyo XHS3632 - Misoperation Alarm Indicators

48 S4179705
10-6. Misoperation Alarm Indicators
Alarm indicator lamps on the indoor unit indicate the
error cause when the air conditioner fails to operate
upon being switched on. The possible alarm indica-
tions are given in Table 10-1. Fig.10-5 shows the
location of the alarm lamps on the indoor unit.
(See Table 10-1, Fig. 10-5)
Table 10-1
Alarm
OPERATION TIMER STANDBY
Cause of Trouble
lamp lamp lamp
O ●●
S.C. errors* between the indoor unit’s controller (PCB) and the remote
controller.
● O ● Compressor protector is working.
●●O S.C. errors between indoor and outdoor units.
OO● Indoor or outdoor thermistor is malfunctioning.
O ● O Outdoor unit protector is working.
● OOIndoor unit protector is working.
OOOTEST RUN switch on the operation controller is in ON state.
1108_M_I
OPER. TIMER STDBY
OPERATION
lamp
TIMER
lamp
STANDBY
lamp
Remote control
receiver
OFF
TEST ON
OPR STANDBY TIMER
REMOTE CONTROL receiver
OPERATION
lamp
STANDBY
lamp
TIMER lamp
Operation
selector
Flap
1123_M_I
Fig. 10-5
* S.C. : Serial communications