Abnormal Operation; Error Code Display - Fujitsu AUXB04GALH Service Manual

4-2 ABNORMAL OPERATION

4-2-1 Error code Display

An Error code is represented by 3 digit characters.
The first 2 digit means the subsection Error code, and the last 1 digit means the specifics Error code.
Ex.) Indoor unit Network communication Error
Subsection Error Code
14 : Network communication Error
Each Error code section is shown by the following target
Subsection Error Code target
- Indoor unit (Operation / Timer / Filter) LED
- 2 / 3 Wires Remote controller
- Simple Remote controller
- Group Remote controller
- Central Remote controller
- Touch - Panel Controller
When an Error occurs, each devices indicate own abnormal detecting condtion.
In order to confirm the actual error condition, the following procedure are required.
1) Confirm the Specific Error code on the Outdoor unit 7 segment display or the Service tool.
Ex.1.) When the wired remote controller shows " 9 U (Outdoor unit Error)".
Ex.2*.) When the wired remote controller shows " 4 2 (Indoor unit Heat-Ex Sensor Error)"
*The Specific Error code can be indicated by service tool.
2) Confirm each Error code on each devices in case of Network communication Error.
Ex.) When the Network cable of indoor unit 00 disconnected during operating
Error code " 14.2 "
Outdoor unit
Touch-panel Controller
Error code "14" "16"
Error indication pattern
"14": Error on the Outdoorunit (14.2)
"16": The Communication Error between Touch-
panel controller and Error indoor unit.
"Network communication Error"
*Indoor unit detects the condition of Error code 14.3,
but it can only display the Subsection Error code.
1 4 . 3
" No communication between
indoor unit 01 "
Indoor unit 00
Operation LED: 1 time blinking
Timer LED: 4 times blinking
Error code " 14 "
04-03
Specifics Error Code
3 : Indoor unit Network Communication Error
Subsection and Specifics Error code target
- Outdoor unit 7 segment Display
- Service Tool
Service
Tool
Error indication pattern
Indoor unit 01
Wired remote
controller
Note: About Service tool
- To change the connecting location of service tool
can be helpful for the trouble shooting.
- To check the system configuration, the Address
checker function can be helpful for trouble shooting.
.
- DipSW 4-2:ON Default Setting -
Error code "14.1 or 14.3"
"14.1": No communication between Outdoorunit
and Service tool.
"14.3": Communication Error on the Indoor unit.