Fujitsu AUY12LBAB, Service Manual

Page: 13 / 28

ERROR CONTENTS
TEST RUNNING
When the air conditioner is run by pressing the remote control
unit test run button, the OPERATION and TIMER lamps flash
slowly at the same time.
1. INDOOR UNIT
CHECK ITEMS
Operation can be checked by lighting and flashing of the grille
display section OPERATION and TIMER lamps.
Perform judgment in accordance with the following. INDOOR UNIT
Error display
OPERATION
lamp
TIMER
lamp
SWING
lamp
Error contents
Indoor unit
Model information abnormal
(permanent type)
Indoor unit
Drain abnormal (permanent type)
Indoor fan abnormal
Room air temperature thermistor
open circuit
Room air temperature thermistor
short circuit
Indoor unit
Piping thermistor open circuit
Indoor unit
Piping thermistor short circuit
Blinks Blinks Goes off
Pulses
4 times
Blinks Goes off
Pulses
6 times
Blinks Goes off
Goes off
Pulses
2 times
Blinks
Blinks
Goes off
Pulses
3 times
Blinks
Blinks
Outdoor unit circuit board error or
miswiring between outdoor unit
and indoor unit
Outdoor unit discharge temperature
sensor error
Outdoor unit piping sensor error
Outdoor unit
outdoor unit temperature sensor
error
Pulses
5 times
Blinks Goes off
Blinks
Pulses
5 times
Goes off
Blinks
Pulses
3 times
Goes off
Goes off Blinks
Pulses
4 times
(1) Is operation of each button on the remote control unit
normal?
(2) Does each lamp light normally?
(3) Do not air flow direction louvers operate normally?
(4) Is the drain normal?
(5) Is there any abnormal noise and vibration during operation?
SWING TIMER OPERATION
MANUAL
AUTO
SWING LAMP
(Orange)
TIMER LAMP
(Green)
OPERATION LAMP
(Red)
12 2005.05.24