Panasonic R410A Specifications, Misoperation Alarm Indicators, Table, Cause of Trouble, Fig

1. Specifications

7-11. 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 1-9. Fig. 1-95 shows the location of the alarm lamps on the indoor unit.

(See Table 1-9 and Fig. 1-95.)

Table 1-9

	Alarm
(OPERATION	(TIMER	(STANDBY	Cause of Trouble
lamp)	lamp)	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.

*S.C.: Serial communications

1

OPERATION	TIMER	STANDBY	Remote control
lamp	lamp	lamp	receiver

Fig. 1-95

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.

1-105