AYXP7FR

Status of

Indication

Malfunction

Content of diagnosis

Inspection location/method

 

Remedy

indoor/

by LED1

No. dis-

 

 

 

 

 

outdoor

on out-

played on

 

 

 

 

 

units

door unit

main unit

 

 

 

 

 

 

*2

display sec-

 

 

 

 

 

 

 

tion *1

 

 

 

 

 

 

 

Main

Sub-

Main category

Sub-category

 

 

 

 

 

cate-

cate-

 

 

 

 

 

 

 

gory

gory

 

 

 

 

 

Indoor/

 

19

-0

Indoor unit fan

Indoor unit fan error

(1) Check the indoor fan

(1) Replace the indoor fan

outdoor

 

 

 

 

 

motor for proper rotating

 

motor.

units in

 

 

 

 

 

operation.(Check fan

 

 

complete

 

 

 

 

 

lock.)

 

 

shutdown

 

 

 

 

 

(2) Check the lead wire of the

(2) Replace the indoor fan

 

 

 

 

 

 

indoor fan motor for open-

 

motor.

 

 

 

 

 

 

circuit.

 

 

 

 

 

 

 

 

(3) Check CN1 of the indoor

(3)

Correct the installa-

 

 

 

 

 

 

unit fan motor for secure

 

tion of CN1 of the

 

 

 

 

 

 

installation.

 

indoor fan motor.

 

 

 

 

 

 

(4) No abnormality found in

(4)

Replace the indoor

 

 

 

 

 

 

above inspections (1)

 

unit control PWB.

 

 

 

 

 

 

through (3).

 

 

Indoor/

 

20

-0

Indoor unit con-

EEPROM data error

(EEPROM read data

 

Replace the indoor

outdoor

 

 

 

trol PCB

 

error)

 

unit control PWB.

units in

 

 

 

 

 

 

 

 

operation

 

 

 

 

 

 

 

 

Indoor/

 

88

 

Control and dis-

Communication

(1) Check for disconnected

(1)

Insert connectors cor-

outdoor

 

 

 

play PCB

error

connector between control

 

rectly, or replace con-

units in

 

 

 

 

 

PCB and display PCB,

 

trol PWB.

operation

 

 

 

 

 

and open-circuit in lead

 

 

 

 

 

 

 

 

wires.

 

 

 

 

 

 

 

 

(2) Check that control PCB

(2)

Replace control PWB.

 

 

 

 

 

 

outputs signals correctly.

 

 

3 – 17

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Sharp AE-X12FR, AY-XP12FR, AY-XP7FR, AY-XP9FR, AE-X7FR, AE-X9FR service manual AYXP7FR