Daikin ComfortNet DX7TC Service Instructions Manual page 116

TROUBLESHOOTING
Troubleshooting
Error Code:
L8 - Low line voltage
Applicable Models:
Outdoor units
Method of Error Detection:
Integrated control module LED
display provides the indicated
error code
Error Decision Conditions:
Check circuit breakers and fuses.
Verify unit is connected to power
supply as specified on rating plate.
Correct low line voltage condition;
contact local utility if needed
116
Board is
reading L8
Is the high voltage
No
to the system within
our specified
parameters?
Yes
ERROR CODE - L8
Error Code - L8
Check voltage wires and get an
electrical company involved if
necessary
Replace the board