Signal Transmission Error (Between Main Remote Controller And Sub Remote Controller) - Daikin CTXG09QVJUW Service Manual
Multi-split type air conditioners 2/3/4mxs-n series
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Also See for CTXG09QVJUW:
- Service manual (254 pages) ,
- Operation manual (116 pages) ,
- Engineering data (661 pages)
Table of Contents
SiUS121630EA
6.10 Signal Transmission Error (Between MAIN Remote
Controller and SUB Remote Controller)
U8
Error Code
Method of Error
In case of controlling 1 indoor unit with 2 remote controllers, check the system using microcomputer
if signal transmission between MAIN remote controller and SUB remote controller is normal.
Detection
Error Decision
Normal transmission does not continue for specified period.
Conditions
Supposed
Causes
Troubleshooting
Note:
For the way to change MAIN/SUB setting of remote controllers, refer to pages 223 and 224.
Service Diagnosis
Remote controller is set to SUB when using 1 remote controller
Connection of 2 sub remote controllers (when using 2 remote controllers)
Defective remote controller PCB
Be sure to turn off the power switch before connecting or disconnecting
Caution
connectors, or parts may be damaged.
Using 2 remote
controllers for 1
indoor unit?
YES
Are both remote
controllers set to
SUB?
YES
Is the
NO
remote controller
set to MAIN?
YES
NO
Troubleshooting for FFQ Series
NO
Set the remote controller to
MAIN; turn the power supply off
and then back on.
Turn the power off and then
back on. If a malfunction occurs,
replace the remote controller.
Turn the power off and then
back on. If a malfunction occurs,
replace the remote controller.
Set one remote controller to
MAIN; turn the power supply off
once and then back on.
(R24058)
159
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