Error Contents; Remote Controller Display - Fujitsu AUY45FUAS Service Manual

ER R OR D ISPLA Y
Models : AUY45FUAS / AOY45FMAXT
AUY45UUAS / AOY45UMAXT
Supply power to the crankcase heater for at least 12
hours before the start of operation in winter.
(1) Stop the air conditioner operation.
(2) Press the master control button and the fan control button si-
multaneously for 2 seconds or more to start the test run.
(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.

1. REMOTE CONTROLLER DISPLAY

(1) Stop the air conditioner operation.
(2) Press the set temperature buttons
seconds or more to start the self-diagnosis.
Refer to the following tables for the description of each error
code.
(3) Press the set temperature buttons
seconds or more to stop the self-diagnosis.
Error code
Communication error
00
(indoor unit
Communication error
01
(indoor unit
02
Room temperature sensor open
03
Room temperature sensor short-circuited
Indoor heat exchanger temperature sensor open
04
05
Indoor heat exchanger temperature sensor short-
circuited
Outdoor heat exchanger temperature sensor
06
open
Outdoor heat exchanger temperature sensor
07
short-circuited
Power source connection error
08
09 Float switch operated
0A Outdoor temperature sensor open
0b Outdoor temperature sensor short-circuited
2005.06.02
CAUTION
Test run display
simultaneously for 5
Unit number (usually 0)
Error code
SU MO TU WE TH FR SA
EX. Self-diagnosis
simultaneously for 5

Error contents

remote controller)
outdoor unit)
Error code
Discharge pipe temperature sensor or compressor
0c
temperature sensor open
Discharge pipe temperature sensor or compressor
0d
temperature sensor short-circuited
Outdoor high pressure abnormal
0E
Discharge pipe temperature or compressor
0F
temperature abnormal
Model abnormal
11
Indoor fan abnormal
12
Outdoor signal abnormal
13
Outdoor EEPROM abnormal
14
2. OUTDOOR UNIT LEDS
Heat & Cool model (reverse cycle) only
When a malfunction occurs in the out-
door unit, the LEDs on the circuit board
light to indicate the error. Refer to the
following table for the description of
each error according to the LEDs.
LED1 LED2
flash flash
1flash Lighting
2 flash Lighting
3 flash Lighting
4 flash Lighting
5 flash Lighting
6 flash Lighting
7 flash Lighting
8 flash Lighting
9 flash Lighting
10 flash Lighting
Dislighting
When the fault is cleared, the LED lamp goes off.
However, for discharge pipe temperature abnormal and high pres-
sure abnormal, the LED lamp lights continuously for 24 hours, as
long as the power is not turned off.
10
Error contents
LED layout
LED2 LED1
Error contents
Model abnormal or EEPROM abnormal
Power source connection error
Discharge temp. sensor error
Heat exchanger temp. sensor error
Outdoor temp. sensor error
Communication signal error
Indoor unit error
Discharge temp. abnormal
High pressure abnormal
Compressor temp. abnormal
Compressor temp. sensor error
No error. Protect operation