Misoperation Alarm Indicators - Panasonic CZ-24KPU1U Series Installation Instructions Manual

5-11. Misoperation Alarm Indicators

Alarm indicator lamps on the indoor unit indicate the error
cause if the air conditioner fails to operate upon being
switched on. The possible alarm indications are given in
Table 5-1. Fig. 5-12 shows the location of the alarm lamps
on the indoor unit.
(See Table 5-1 and Fig. 5-12.)
Table 5-1
Alarm
(OPERATION (TIMER
lamp) lamp)
* S.C.: Serial communications
NOTE
Stick the alarm message label accompanying the
wireless remote controller on the electrical component
box to indicate the cause of trouble for future reference.
Panasonic̲PAC-i̲IndoorUnit̲US-le45 45 Panasonic̲PAC-i̲IndoorUnit̲US-le45 45
(STANDBY
lamp)
S.C. errors* between the indoor unit's controller (PCB) and the remote
controller.
Compressor protector is working.
S.C. errors between indoor and outdoor units.
Indoor or outdoor thermistor is malfunctioning.
Outdoor unit protector is working.
Indoor unit protector is working.
TEST RUN switch on the operation controller is in ON state.
OPERATION TIMER STANDBY
lamp lamp lamp
Fig. 5-12
Cause of Trouble
Remote control
receiver
45
2011/11/02 15:17:35 2011/11/02 15:17:35