Outdoor Unit Display; Error Contents - Fujitsu AB*14LBAJ Service Instruction

2-1-2 OUTDOOR UNIT DISPLAY

1. ERROR DISPLAY

Error Contents

Outdoor communication signal error
(Forward transfer signal error)
Outdoor discharge pipe temperature
thermistor error
Outdoor heat exchanger temperature
thermistor error
Outdoor temperature thermistor error
2-way valve temperature
2-way valve temperature
2-way valve temperature
2-way valve temperature
3-way valve temperature
3-way valve temperature
3-way valve temperature
3-way valve temperature
Compressor temperature
Heat sink temperature
Pressure switch 1 error
Pressure switch 2 error
Connected indoor unit error
IPM error
Compressor rotor location cannot detect
(permanent stop)
Compressor Start-up error
(permanent stop)
Outdoor unit fan motor error
Main CPU - sub CPU communication error
2. ERROR DISPLAY METHOD
Outdoor LED Blink (1 to 18 times) 0.5sec ON / 0.5sec OFF blinking
0.5sec
ON
OFF
3. NORMAL OPERATION DISPLAY
Operation
Normal operation
Protected operation
1 times blink
OFF
OFF
OFF
2 times blink
3 times blink
4 times blink
5 times blink
thermistor A error
thermistor B error
OFF
OFF
thermistor C error
thermistor D error OFF
thermistor A error
6 times blink
thermistor B error OFF
OFF
thermistor C error
thermistor D error
OFF
thermistor error 7 times blink
thermistor error
8 times blink
9 times blink
10 times blink
11 times blink
12 times blink
13 times blink
14 times blink
15 times blink
17 times blink
0.5sec 2sec
LED A
Continuously lighting
5sec ON / 1sec OFF
02-06
LED
A B
OFF
1 times blink
1 times blink
OFF
OFF
OFF
OFF
OFF
OFF
5 times blink
OFF 5 times blink
OFF
OFF
6 times blink
6 times blink
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
LED B LED C
‚n‚e‚e
C D
OFF OFF
OFF OFF
OFF
1 times blink
OFF
OFF
OFF
OFF OFF
OFF OFF
OFF OFF
OFF
OFF
OFF
OFF 5 times blink
OFF OFF
OFF OFF
OFF
6 times blink
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF OFF
OFF OFF
OFF OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF OFF
LED D
‚n‚e‚e ‚n‚e‚e
Trouble
shooting
11
8
5
7
21
22
12
19
13
23
14
17
20
18
24