64
SERVICING
PCBHR104
Compressor and outdoor
f
.
Low pressure and high
pressure switches are
closed.
Open star t circuit has been
detected 4 times with 5
minute delay between each
detection.
Integrated control
module diagnostic/status
LED displ ay sho ws the
indicated code .
displays error message .
L
6
Open Star t
Circuit
Loc kout
ST AR T
06
Compressor star t
winding is open.
Failed
compressor r un
capacitor .
Faulty r un
capacitor wi ring.
Compressor not
properly wired
to control.
Faulty
compressor
wiring.
Chec k
compressor ;
repair/replace as
needed.
Chec k run
capacitor ; replace
as needed.
Chec k wiring
repair/replaced
as needed.
Turn power OFF pr ior
to repai r
Must clear f ault by
cycling 24V AC to
control.
Replace with correct
replacement par t(s).
Compressor and outdoor
f
.
Low pressure and high
pressure switches are
closed.
Integrated control
module diagnostic/status
LED displ ay sho ws the
indicated code .
displays error message .
0
7
Open Run
Circuit
07
Compressor r un
winding is open.
Compressor not
properly wired
to control.
Faulty
compressor
wiring.
Chec k
compressor ;
repair/replace as
needed.
Chec k wiring;
repair/replace as
needed.
Turn power OFF pr ior
to repai r.
Fault will clear after 1
normal cycl e.
Fault ma y be cycling
24VAC to control.
Replace with correct
replacement par t(s).
Compressor and outdoor
f
.
Low pressure and high
pressure switches are
closed.
Open r un circuit has been
detected 4 times with 5
minute delay between
each detection.
Integrated control
module diagnostic/status
LED displ ay sho ws the
indicated code .
displays error message .
L
7
Open Run
Circuit
Loc kout
07
Compressor r un
winding is open.
Compressor not
properly wired
to control.
Faulty
compressor
wiring.
Chec k compres -
sor ; repair/re-
place as needed.
Chec k wiring;
repair/replace as
needed.
Turn power OFF pr ior
to repai r.
Must clear f ault by cy -
cling 24V AC to control.
Replace with correct
replacement par t(s).
Air conditioner/heat
pump may appear to be
operating nor mally.
Compressor protector ma y
be open (compressor and
outdoor f
Integrated control
module diagnostic/status
LED displ ay sho ws the
indicated code .
L
8
Low Line
Voltage
VO LT
08
Low line v oltage.
Chec k circuit
break ers and
fuses .
Ve rify unit is
connected to
power supply
rating plate.
Correct lo w line
voltage condition;
contact local
utility if needed.
Turn power OFF pr ior
to repai r.
Control detects line
voltage less than
185 VAC.
Fault will clear if line
voltage increases
above 185 VAC.
Digit 3
Digit 2
Digit 1
