11
TROUBLESHOOTING
6
6-1. CAUTIONS ON TROUBLESHOOTING
(1) Before troubleshooting, check the followings:
1
Check the power supply voltage.
2
Check that 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
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 delete 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 3 seconds.
– – – – : No trouble generated in the past.
F F F F : No corresponding unit.
6-2. SELF-CHECK
Wired remote controller (Option)
