Fujitsu AOY12USCC, Service Manual

Page: 9 / 18

ERROR DISPLAY
operation timer
Error contents Error contents
thermistor
0.5 second
2 times
room temp. thermistor error
0.5 second
2 times
heat exchanger thermistor error
0.5 second
3 times
control unit
0.5 second
4 times
MANUAL AUTO button error
(indoor unit )
0.5 second
2 times
power source Hz decision error
0.5 second
4 times
fan motor
0.5 second
6 times
0.1 second
0.1 second
0.1 second
0.1 second
Indication :
When an error happens, first indication is "Large division indication".
Indication is switched by pushing TEST OPERATION button between "Large" and "Small".
0.1 second
0.1 second
0.1 second
0.1 second
0.1 second
0.1 second
0.1 second
lock error
(indoor unit)
0.5 second
2 times
r.p.m. error
model distinction error
0.5 seond
3 times
LED flashing
operation timer
LED flashing
Small division indication Large division indication
8 2004.11.30