Daikin ComfortNet DX7TC Service Instructions Manual page 107

TROUBLESHOOTING
Troubleshooting
Error Code:
04 - Locked rotor
Applicable Models:
Outdoor units
Method of Error Detection:
Integrated control module LED
display provides the indicated
error code
Error Decision Conditions:
Check compressor operation;
repair/ replace as needed. Check
run capacitor; replace as needed.
Check wiring; repair/replace as
needed. Verify line voltage is
within range on rating plate;
control local utility is out of range
Board is
reading 04
Is the high voltage
No
to the system within
our specified
parameters?
Yes
Check the
No
capacitor on the
system, is it
good?
Yes
Installed a hard
No
start kit. Does
this resolve the
issue?
Yes
ERROR CODE - 04
Error Code - 04
Check voltage wires and get an
electrical company involved if
necessary
Replace the capacitor, then
operate the system
Replace the board
System reports ON and is in
standby mode for a cooling call
107