Fujitsu AUY25FUAR, Service Manual

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SU MO TU WE TH FR SA
(1) Stop the air conditioner operation.
(2) Press the master control button and the fan control button
simultaneously for 2 seconds or more to start the test run.
Unit number (usually 0)
Error code
(3) Press the start/stop button to stop the test run.
SELF-DIAGNOSIS
When the error indication E:EE is displayed, follow the following
items to perform the self-diagnosis.
E:EE indicates an error has occurred.
REMOTE CONTROLLER DISPLAY
(1) Stop the air conditioner operation.
(2) Press the set temperature buttons
simultaneously for
5 seconds or more to start the self-diagnosis.
Refer to the following table
for the description of each error code.
Test run display
(3) Press the set temperature buttons simultaneously for
5 seconds or more to stop the self-diagnosis.
Ex. Self-diagnosis
Room temperature sensor open
Room temperature sensor short-circuited
Indoor heat exchanger temperature sensor open
Indoor heat exchanger temperature sensor short-
circuited
Outdoor heat exchanger temperature sensor open
Outdoor heat exchanger temperature sensor short-
circuited
Power source connection error
Float switch operated
Outdoor temperature sensor open
Outdoor temperature sensor short-circuited
Discharge pipe temperature sensor open
Discharge pipe temperature sensor short-circuited
Outdoor high pressure abnormal
Discharge pipe temperature abnormal
Model abnormal
Indoor fan abnormal
Outdoor signal abnormal
Outdoor EEPROM abnormal
02
03
04
05
06
07
08
09
0A
0b
0c
0d
0E
0F
11
12
13
14
Error code
Error contents
Communication error
(indoor unit
remote controller)
Communication error
(indoor unit
outdoor unit)
00
01
ERROR CONTENTS
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