Error Contents - Fujitsu ABY54FBAG Service Manual

ERROR CONTENTS

INDOOR UNIT
Operation can be checked by lighting and flashing of the
display section OPERATION, TIMER, and VERTICAL SWING
lamps.
Perform judgment in accordance with the following.
SWING SWING TIMER
TEST RUNNING
When the air conditioner is run by pressing the remote control
unit test run button, the OPERATION, TIMER, and VERTICAL
SWING lamps flash slowly at the same time.
ERROR
The OPERATION, TIMER, and VERTICAL SWING lamps
operate as follows according to the error contents.
OPERATION TIMER lamp SWING lamp
lamp (RED) (GREEN) (ORANGE)
(2 times)
(2 times)
(3 times)
(3 times)
(4 times)
(5 times)
(5 times)
(6 times)
(2 times)
(3 times)
(3 times)
(4 times)
(4 times)
(5 times)
(5 times)
(6 times)
(7 times)
: 0.1s ON/0.1s OFF (flash)
: 0.5s ON/0.5s OFF (flash)
2005.10.31
VERTICAL SWING lamp (Orange)
TIMER lamp (Green)
OPERATION lamp (Red)
MANUAL
AUTO
OPERATION
Error contents
Indoor EEPROM abnormal
Outdoor EEPROM abnormal
Indoor room temperature sensor
open
Indoor room temperature sensor
short-circuited
Indoor heat exchanger temperature
sensor open
Indoor heat exchanger temperature
sensor short-circuited
Float switch operated
Indoor signal abnormal
Outdoor signal abnormal
Indoor fan abnormal
Outdoor power source connection
abnormal
Outdoor heat exchanger
temperature sensor open
Outdoor heat exchanger
temperature sensor short-circuited
Outdoor temperature sensor open
Outdoor temperature sensor
short-circuited
Outdoor discharge pipe temperature
sensor or compressor temperature
sensor open
Outdoor discharge pipe temperature
sensor or compressor temperature
sensor short-circuited
Outdoor high pressure abnormal
Outdoor discharge pipe temperature
or compressor temperature sensor
abnormal
: OFF
OUTDOOR UNIT
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
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