Daikin ComfortNet DX7TC Service Instructions Manual page 112

TROUBLESHOOTING
Troubleshooting
Error Code:
E5 - Open Fuse
Applicable Models:
Outdoor units
Indoor units
Method of Error Detection:
Integrated control module LED
display provides the indicated
error code
Error Decision Conditions:
Blown fuse
112
Board is
reading E5
Does the fuse
No
have good
continuity?
Yes
Does the low
No
voltage wiring
show a short?
Yes
ERROR CODE - E5
Error Code - E5
Replace the fuse
Replace the board
Correct the low voltage wiring