Daikin VAM 1000FAVE, Service Manual

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Troubleshooting SiE71-202
44 Troubleshooting
1.11 Data Transmission Error (Between LCD Master Remote Controller and Slave
Remote Controller)
Remote Controller
LCD Display
Error Code
U8
Inspection
5
Unit No.
1
LED Indication Remote Controller
1
Main Unit
5
Error Detection
Method Microcomputer checks if data is transmitted properly between master-slave remote controller.
Error Generating
Conditions
When data transmission is not performed correctly for a certain time period.
Possible Causes
Faulty remote controller setting
Faulty remote controller
Troubleshooting
NO
NO
Is
master-slave
selection switch set
to Master?
YES
Is
master-slave
remote control
used?
Is
master/slave
selection switch
properly
set?
YES
Set master-slave selection switch to
Master. Turn off power, then restart.
Replace remote controller.
Set one master-slave selection switch to
Master, and set the other to Slave. Then
turn off power, and restart operation.
Replace either master or slave remote
controller.
(HF010)
YES
NO