SERVICING
62
Compressor and outdoor
f
.
Low pressure and high
pressure switches are
closed.
Open start circuit has been
detected 4 times with 5
minute delay between each
detection.
Integrated control
module diagnostic/status
LED display shows the
indicated code.
displays error message.
L
6
Open Start
Circuit
Lockout
START
06
Compressor start
winding is open.
Failed
compressor run
capacitor.
Faulty run
capacitor wiring.
Compressor not
properly wired
to control.
Faulty
compressor
wiring.
Check
compressor;
repair/replace as
needed.
Check run
capacitor; replace
as needed.
Check wiring
repair/replaced
as needed.
Turn power OFF prior
to repair
Must clear fault by
cycling 24VAC to
control.
Replace with correct
replacement part(s).
Compressor and outdoor
f
.
Low pressure and high
pressure switches are
closed.
Integrated control
module diagnostic/status
LED display shows the
indicated code.
displays error message.
0
7
Open Run
Circuit
07
Compressor run
winding is open.
Compressor not
properly wired
to control.
Faulty
compressor
wiring.
Check
compressor;
repair/replace as
needed.
Check wiring;
repair/replace as
needed.
Turn power OFF prior
to repair.
Fault will clear after 1
normal cycle.
Fault may be cycling
24VAC to control.
Replace with correct
replacement part(s).
Compressor and outdoor
f
.
Low pressure and high
pressure switches are
closed.
Open run circuit has been
detected 4 times with 5
minute delay between
each detection.
Integrated control
module diagnostic/status
LED display shows the
indicated code.
displays error message.
L
7
Open Run
Circuit
Lockout
07
Compressor run
winding is open.
Compressor not
properly wired
to control.
Faulty
compressor
wiring.
Check compres-
sor; repair/re-
place as needed.
Check wiring;
repair/replace as
needed.
Turn power OFF prior
to repair.
Must clear fault by cy-
cling 24VAC to control.
Replace with correct
replacement part(s).
Air conditioner/heat
pump may appear to be
operating normally.
Compressor protector may
be open (compressor and
outdoor f
Integrated control
module diagnostic/status
LED display shows the
indicated code.
L
8
Low Line
Voltage
VOLT
08
Low line voltage.
Check circuit
breakers and
fuses.
Verify unit is
connected to
power supply
rating plate.
Correct low line
voltage condition;
contact local
utility if needed.
Turn power OFF prior
to repair.
Control detects line
voltage less than
185 VAC.
Fault will clear if line
voltage increases
above 185 VAC.
Digit 3
Digit 2
Digit 1
PCBHR104