Fujitsu ABY30TBAG - Page 7

Models : ABY54TBA3W / AOY54TPA3L
2. OUTDOOR UNIT
When the outdoor temperature drops, the outdoor unit's fans
may switch to low speed, or one of the fans may stop
intermittently.
ERROR : Reverse cycle only
The LED lamps operate as follows (Table 2) according to the
error contents.
Error contents LED1 LED2 LED3 LED4 LED5 LED6
Signal abnormal
Indoor unit abnormal
Discharge pipe
temperature abnormal
Outdoor heat exchanger
temperature abnormal
Outdoor temperature
abnormal
Power source
connection error
EEPROM abnormal
Outdoor high pressure
abnormal
Discharge pipe
temperature abnormal
: 0.5s ON / 0.5s OFF (flash) : OFF
: 0.1s ON / 0.1s OFF (flash) : Indefinite
ERROR LED DISPLAY LAYOUT
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.
Table 2
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)
Table 1
Error display
OPERATION TIMER VERTICAL SWING
lamp lamp lamp
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 open
Outdoor discharge pipe
temperature sensor short-circuited
Outdoor high pressure abnormal
Outdoor discharge pipe
temperature abnormal
O O X
O O O
(2 times)
O X
(2 times)
O O
(3 times)
O X
(3 times)
O
O
(4 times)
O X
(5 times)
O X
(5 times)
O
O
(6 times)
O X
O
(2 times)
X
O
(3 times)
X
O
(3 times)
O
O
(4 times)
X
O
(4 times)
O
O
(5 times)
X
O
(5 times)
O
O
(6 times)
X
O
(7 times)
X
O : 0.1s ON / 0.1s OFF (flash) X : OFF
: 0.5s ON / 0.5s OFF (flash)
2003.12.12 PRELIMINARY
6
LED1 LED2 LED3 LED4 LED5 LED6
IC
TEST
CN 14