Data Transmission Error (Lcd Remote Controller) - Daikin VAM 350GJVE Service Manual

Si71-502
1.10

Data Transmission Error (LCD Remote Controller)

Remote Controller Error Code
LCD Display
LED Indication Remote Controller
Error Detection Microcomputer checks if data is transmitted properly between main unit and remote controller.
Method
Error Generating When data transmission is not performed correctly for a certain time period.
Conditions
Possible Causes
Troubleshooting
Troubleshooting
U5
Inspection Blinking Unit No. OFF
5
Main Unit
Erroneous connection
Faulty remote controller setting
Faulty remote controller
Is
remote
controller
other than
dedicated LCD
remote controller
connected to
remote
controller
cable?
YES
Is
master-slave
remote control
used?
YES
Is
master-slave
selection switch
properly set?
YES
5
NO
NO
NO
Troubleshooting
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.
(HF009)
45