Fujitsu ABY30FBAG, Service Manual

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2005.02.28 10
ERROR DISPLAY
Indoor EEPROM abnormal
Outdoor EEPROM abnormal
Indoor room temperature sensor
open
Indoor room temperature sensor
shortcircuited
Indoor heat exchanger temperature
sensor open
Indoor heat exchanger temperature
sensor shortcircuited
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 shortcircuited
Outdoor temperature sensor open
Outdoor temperature sensor
shortcircuited
Outdoor discharge pipe temperature
sensor open
Outdoor discharge pipe temperature
sensor shortcircuited
Outdoor high pressure abnormal
Outdoor discharge pipe temperature
abnormal
OPERATION
lamp (RED)
(2 times)
(2 times)
(3 times)
(3 times)
(4 times)
(5 times)
(5 times)
(6 times)
TIMER lamp
(GREEN)
(2 times)
(3 times)
(3 times)
(4 times)
(4 times)
(5 times)
(5 times)
(6 times)
(7 times)
SWING lamp
(ORANGE)
: 0.1s ON/0.1s OFF (flash) : OFF
: 0.5s ON/0.5s OFF (flash)
Error contents
When a malfunction occurs in the outdoor unit, the LEDs on the circuit
board light to indicate the error. Refer to the following table for the de-
scription of each error according to the LEDs.
When the fault is cleared, the LED lamp goes off.
However, for discharge pipe temperature abnormal and high pressure
abnormal, the LED lamp lights continuously for 24 hours, as long as the
power is not turned off.
Quick flash continued Quick flash continued
1 quick flash repeated Lighting continued
2 quick flash repeated Lighting continued
3 quick flash repeated Lighting continued
4 quick flash repeated Lighting continued
5 quick flash repeated Lighting continued Communication signal error
6 quick flash repeated Lighting continued
7 quick flash repeated Lighting continued
8 quick flash repeated Lighting continued High pressure abnormal
5 quick flash repeated Dislighting continued Discharge temperature
abnormal (24h)
6 quick flash repeated Dislighting continued
Error display
LED1 LED2
Error contents
0.1 sec.
OFF
ON
0.1 sec.
OFF
ON
0.5 sec.
2 sec.
OFF
ON
OFF
ON
0.5 sec.
2 sec.
OFF
ON
OFF
ON
0.5 sec.
2 sec.
OFF
ON
OFF
ON
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.
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 (Table 1) according to the error contents.
1. INDOOR UNIT
SWING SWING TIMER
MANUAL
AUTO
OERATION
VERTICAL SWING lamp (Orange)
TIMER lamp (Green)
OPERATION lamp (Red)
2. OUTDOOR UNIT
ERROR : Heat & Cool model (Reverse cycle) only
Model abnormal or
EEPROM abnormal
Power source
connection error
Discharge temperature
sensor error
Outdoor heat
exchanger temperature
sensor error
Outdoor temperature
sensor error
Indoor unit error
Discharge temperature
abnormal
High pressure
abnormal (24h)