Trouble Shooting Index - Error Code List - Fujitsu Airstage VR-II Series Service Manual

4-2-5 Trouble shooting index - Error code List 1/2 -

Display Target A
Simple Wired remote controller
2 / 3 wires Wired remote controller
Indoor unit LED brinking times,
" 1st figure: Operation LED, 2nd figure: Timer LED"
*
: No Display A: LED 10 times Blinks
Display
Display
Target B < Subsection >
Target A
Remote controller Communicaction Error
1 2
Communication Error between Outdoor unit
9 U 1 3
1 4
1 4 Network Communication Error
*
1 6
1 4
1 4
9 U 1 6
1 4
1 4
9 U
1 6
*
1 4
9 U
1 6
*
Peripheral device communication Error
1 6
*
Address settingError
2 6
Other setting Error
*
Connection unit number error in wired remote
2 9
controller system
*
2 9
3 1 Indoor unit Power supply Abnormal
3 2 Indoor unit Main PCB Error
Indoor unit power supply circuit Error
3 9
Indoor unit communication circuit (WRC) Error
3 A
4 1 Indoor unit Room temp. Sensor Error
Indoor unit Heat-Ex. Sensor Error
4 2
4 A Indoor unit air temp.thermistor Error
5 1
Indoor unit FAN Motor 1 Error
5 2 Indoor unit Coil (EEV) Error
5 3 Indoor unit water drain Abnormal
5 9 Indoor unit fan motor 2 Error
*
Indoor unit Error
6 1
Outdoor unit Power supply Abnormal
9 U
6 2
Outdoor unit PCB Error
Outdoor unit Inverter PCB Error
6 3
* *
OU. short interruption detection protected operation
9 U 6 8 Outodoor unit Magnetic relay Error
9 U 6 9 Outdoor unit Transmission PCB Error
1 4 1 4
7 1 Outdoor unit Discharge temp. Sensor Error
9 U
Outdoor unit Compressor temp. Sensor Error
7 2
7 3 Outdoor unit Heat-Ex. temp. Sensor Error
Display Target B
Group Remote controller
Central Remote controller
Touch- Panel controller
J: LED 13 times Blinks
Error Contents
7 seg. Display on Outdoor unit Controller PCB
U: LED 15 times Blinks
Display Display
Target C Target D
5 U.1
Wired Remote Controller communication Error
1 2 . 1
Wired Remote Controller singnal error ( 3 wires RC)
1 2 . 2
Number Excess of device in Wired RC. System (2 Wires RC)
1 2 . 3
Communication Error Between Outdoor unit
1 3 . 1
1 4. 1 1 4. 1 Outdoor unit Network communication 1 Error
1 4. 3
1 4. 2 1 4. 2
Outdoor unit Network communication 2 Error
1 4. 1
1 4. 3
1 4. 1 1 4. 3
1 4. 2 1 4. 1
Indoor unit Network communication Error
1 4. 2
The number of indoor unit shortage Error
1 4. 5 1 4. 5
1 4. 3
1 4. 1 1 4. 3
Transmission PCB connection Error
1 4. 2
Communication Error between Controller and Indoor unit
5 U.1 Address duplication in Wired remote controller system
2 6 . 4
Address setting Error in Wired remote controller system
2 6 . 5
Auto address setting Error
2 8 . 1 *
2 8 . 4 * Signal amplifier auto address Error
Connection unit number Error
2 9 . 1
5 U. 1
* *
Connection unit number Error (Remote controller)
Indoor unit power frequency Abnormal
3 1 . 3
5 U. 1
Indoor unit PCB Model informaiton Error
3 2 . 1
Indoot unit EEPROM access Error
3 2 . 3
Indoor unit power supply Error for fan motor 1
3 9 . 1
Indoor unit power supply Error for fan motor 2
3 9 . 2
3 9 . 3 Indoor unit power supply Error of AC24V system
Indoor unit communication circuit (WRC) microcomputers
3 A . 1
communication Error
4 1 . 1
Indoor unit Inlet air temp. Sensor Error
4 2 . 1 Indoor unit Heat-Ex. Inlet temp. Sensor Error
Indoor unit Heat-Ex. Outlet temp. Sensor Error
4 2 . 3
4 A . 1 Indoor unit suciton air temp.thermistor Error
4 A . 2 Indoor unit discharge air temp.thermistor Error
5 1 . 2 Indoor unit FAN Motor 1 rotation speed Error
Indoor unit Coil 1 (EEV) Error
5 2 . 1
5 3 . 1
Indoor unit Drain pump Error
5 9 . 2 Indoor unit fan motor 2 rotation speed Error
*
Indoor unit Error
6 1 . 5
Outdoor unit reverse phase, missing phase wire Error
6 2 . 3
Outdoor unit EEPROM access Error
6 2 . 6
Inverters communication Error
6 2 . 8
EEPROM data corrupted Error
6 3 . 1
Inverter Error
6 7 . 2
Inverter PCB short interruption Error
6 8 . 2
Rush Current limitting resistor temp. rise protection
6 9.1
Outdoor unit transmission PCB Parallel communication Error
1 4. 1
6 9.1
1 4. 3
7 1 . 1 Discharge temp.Sensor 1 Error
7 2 . 1 Compressor temp. Sensor 1 Error
7 3 . 4 Heat-Ex 1 gas temp. Sensor Error
7 3 . 5 Heat-Ex 1 liquid temp. Sensor Error
7 3 . 6 Heat-Ex 2 gas temp. Sensor Error
7 3 . 7 Heat-Ex 2 liquid temp. Sensor Error
04-06
Display Target C
Error Contents
< Supecifics >
(Indoor unit in WRC control system)
Display Target D
Service Tool
Trouble
shooting No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
81
81
85
20
21
22
23
82
83
24
25
26
84
Refer to I.U Error
27
28
29
30
31
32
33
34
35
36
37
38
39
40