Daikin ComfortNet DX7TC Service Instructions Manual page 110

TROUBLESHOOTING
Troubleshooting
Error Code:
D0 - Data not yet on network (No
net data)
D1 - Invalid data on network
(Invalid data)
D4 - Invalid bluetooth shared data
loader BTSDL01 data (Invalid MC
data)
Applicable Models:
Indoor / outdoor equipment
Method of Error Detection:
Shown on the system display
Error Decision Conditions:
Air conditioner/heat pump fails to
operate. Integrated control module
diagnostic/ status LED display
shows the indicated code
110
Does the board
Yes
flash D0, D1, or
D4?
No
Yes
Does the board
flash IDL/ON?
No
ERROR CODE - D0, D1, D4
Error Code - D0, D1, D4
Check to see if the fuse is good,
if not replace
System has successfully
recieved shared data and is in
standy mode.
Verify you are uploading the
correct shared data and repeat
steps.