AirStage AO54FJ, Service Manual

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Trouble shooting 23
OUTDOOR UNIT OUTDOOR UNIT Error Method: Error Method:
PRESSURE SW1 ABNORMAL
Detective Actuators: Detective Actuators:
Pressure SW 1 (OPEN)
Detective details: Detective details:
When Pressure SW1 became OFF (OPEN) at the power ON.
Forecast of Cause Forecast of Cause:
1. Pressure SW 1 Defective
2. Control PCB defective
Check Point 1 : Check Point 1 :
Check of Control PCB Check of Control PCB
Check if Pressure SW1 circuit is OPEN at Control PCB side.(Check if there is a cut of pattern due
to Corrosion of PCB, the cut off pattern, or any soldering defect at the connector)
Replace Control PCB if it is defective (When DIP SW is changed, setup DIP SW again)
Check Point 1 : Check Point 1 :
Check around Pressure SW Check around Pressure SW
Check around Pressure SW1
Check loose connector or cut off cable
(PARTS INFORMATION 8)
If Pressure SW1 is defective, replace it and check the operation condition and
the pressure when it is in operation
Indicate or Display: Indicate or Display:
Indoor Unit : Operation LED Flash Flash , , Timer LED 3 Times Blink 3 Times Blink
Swing LED 3 Times Blink 3 Times Blink
Outdoor Unit : LED1 Flash Flash , , LED4 1 1 Time Blink Time Blink
ERROR CODE: E:32
Trouble shooting 24
OUTDOOR UNIT OUTDOOR UNIT Error Method: Error Method:
PRESSURE SW1 ABNORMAL
Detective Actuators: Detective Actuators:
Pressure SW 2 (OPEN)
Detective details: Detective details:
When Pressure SW2 became OFF (OPEN) at the power ON.
Estimated details Estimated details :
1. Pressure SW 1 Defective
2. Control PCB defective
Check Point 1 : Check Point 1 :
Check around Pressure SW Check around Pressure SW
Check around Pressure SW1
Check loose connector or cut off cable
(PARTS INFORMATION 8)
If Pressure SW1 is defective, replace it and check the operation condition and
the pressure when it is in operation
Indicate or Display: Indicate or Display:
Indoor Unit : Operation LED Flash Flash , , Timer LED 3 Times Blink 3 Times Blink
Swing LED 3 Times Blink 3 Times Blink
Outdoor Unit : LED1 Flash Flash , , LED4 2 2 Time Blink Time Blink
ERROR CODE: E:32
Check Point 2 : Check Point 2 :
Check of Control PCB Check of Control PCB
Check if Pressure SW1 circuit is OPEN at Control PCB side.(Check if there is a cut of pattern due
to Corrosion of PCB, the cut off pattern, or any soldering defect at the connector)
Replace Control PCB if it is defective (When DIP SW is changed, setup DIP SW again)
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