Daikin VAM 150FAVE, Service Manual, Page: 52 / 84

SiE71-202 Troubleshooting
Troubleshooting 43
1.10 Data Transmission Error (LCD Remote Controller)
Remote Controller
LCD Display
Error Code
U5
Inspection
5
Unit No.
1
LED Indication Remote Controller
5
Main Unit
5
Error Detection
Method Microcomputer checks if data is transmitted properly between main unit and remote controller.
Error Generating
Conditions
When data transmission is not performed correctly for a certain time period.
Possible Causes
Erroneous connection
Faulty remote controller setting
Faulty remote controller
Troubleshooting
Is
master-slave
selection switch
properly set?
YES
YES
Correct wiring.
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.
Is
remote
controller
other than
dedicated LCD
remote controller
connected to
remote
controller
cable?
NO
(HF009)
NO
Is
master-slave
remote control
used?
NO
YES