9-2. MALFUNCTION-DIAGNOSIS METHOD BY REMOTE CONTROLLER

<In case of trouble during operation>

When a malfunction occurs to air conditioner, both indoor unit and outdoor unit will stop and operation lamp blinks to inform unusual stop.

<Malfunction-diagnosis method at maintenance service>

■IR wireless remote controller

[Procedure]

 

 

1. Press the CHECK button twice.

• "CHECK" lights, and refrigerant

CHECK

CHECK display

Refrigerant address display

2. Press the temperature

address "00" blinks.

• Check that the remote controller's

display has stopped before continuing.

• Select the refrigerant address of the

ON/OFF TEMP

ON/OFF button

Temperature buttons. button

indoor unit for the self-diagnosis.

Note: Set refrigerant address using the outdoor unit’s DIP switch (SW1). (For more information, see the outdoor unit installation manual.)

CHECK button

 

FAN

AUTO STOP

MODE

VANE

AUTO START

CHECK

LOUVER

h

TEST RUN

 

min

SET

RESET CLOCK

3. Point the remote controller at the

HOURsensor on the indoor unit and button

press the HOUR button.

• If an air conditioner error occurs, the

indoor unit's sensor emits an intermit-

tent buzzer sound, the operation lamp

blinks, and the error code is

output.

(It takes 3 seconds at most for error

code to appear.)

4.Point the remote controller at the sensor on the indoor unit and press the ON/OFF button.

• The check mode is cancelled.

■Wired remote controller

 

ERROR CODE

 

TEMP.

 

 

ON/OFF



 

 

 

 

 

MENU

ON/OFF

 

FILTER

BACK

MONITOR/SET

DAY

 

CHECK TEST

PAR-21MAA

CLOCK

OPERATION

CLEAR

 

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 – – – – : No trouble generated in the past. F F F F : No corresponding unit.

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.

13

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Mitsumi electronic PKA-A18HA4, PKA-A12HA4 MALFUNCTION-DIAGNOSIS Method by Remote Controller, Wired remote controller
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