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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
Error code "14.1 or 14.3"
Error indication pattern
"14.1": No communication between Outdoorunit and
Service tool.
"14.3": Communication Error on the Indoor unit.
Operation LED: 1 time blinking
Timer LED:
"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 00 "
RB
unit
Service
Tool
Indoor unit 00
4 times blinking
Error code " 14 "
Specifics Error Code
3 : Indoor unit Network Communication Error
Subsection and Specifics Error code target
- Outdoor unit 7 segment Display
- Service Tool
RB
unit
Indoor unit 01
Note: About Service tool
Wired remote
- To change the connecting location of service tool
controller
can be helpful for the trouble shooting.
- To check the system configuration, the Address
checker function can be helpful for trouble shooting.
04-03
.
- DipSW 4-2:ON Default Setting -
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.
- Quick Links:
- Service Manual
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Troubleshooting
