B-23
TROUBLESHOOTING
600
o
600
CEILING
CASSETTE
CEILING CASSETTE
S series
B.1.11 TROUBLESHOOTING
1. CAUTIONS ON TROUBLESHOOTING
(1) Before troubleshooting, check the followings:
1
Check the power supply voltage.
2
Check if the indoor/outdoor connecting wire is correct.
(2) Take care of the followings during servicing.
1
Before servicing the air conditioner, be sure to turn off the remote controller first to stop the main unit, and then turn
off the breaker.
2
When removing the indoor controller board, hold the edge of the board with care NOT to apply stress on the
components.
3
When connecting or disconnecting the connectors, hold the housing of the connector. DO NOT pull the lead wires.
Lead wire
Housing point
2. SELF-CHECK
2-1. Wired remote controller
2-2. Wireless remote controller
PAR-21MAA
ON/OFF
FILTER
CHECK
OPERATION
CLEAR
TEST
TEMP.
MENU
BACK
DAY
MONITOR/SET
CLOCK
ON/OFF
ERROR CODE
ERROR CODE
ERROR CODE
Turn on the power.
Press the [CHECK] button twice.
Set address with [TEMP] button if system control is used.
Press the [ON/OFF] button to stop the self-check.
CHECK button
Address
TEMP. button
IC : Indoor unit
OC: Outdoor unit
Check code
Unit No.
Timer ON/OFF button
<To cancel check code>
Display the error code on the self-check result display screen.
The address for self-check will blink when the
ON/OFF
button is pressed twice within three seconds.
– – – – : No trouble generated in the past.
F F F F : No corresponding unit.
[Procedure]
Turn ON the power.
While pressing both MODE SELECT button and
TOO COOL button on the remote controller at the same
time, press the RESET button.
Firstly, release the RESET button.
Release the other two buttons after all LCD in
operation display section of the remote controller is
displayed after 3 seconds.
Transmit the signal of remote controller, pressing ON/ OFF
button on the remote controller
(The above procedure allows OPERATION INDICATOR lamp
to indicate the failure-mode.)
Transmit the signal of remote controller, pressing ON/ OFF
button to stop the self-check.
ON/OFF
RESET
TOO
WARM
TOO
COOL
MODE
AUTO COOL
DRY
HEAT
FAN
VANE
SELECT
TIME
h
OPERATION INDICATOR