Daikin ComfortNet DX7TC Service Instructions Manual page 64

SERVICING
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 .
displa ys error message .
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 .
displa ys error message .
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 .
displa ys error message .
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 .
64
Digit 3 Digit 2 Digit 1
L 6 Open Star t
Circuit
Loc kout
0 7 Open Run
Circuit
L 7 Open Run
Circuit
Loc kout
L 8 Low Line
Voltage
06 Compressor star t
ST AR T winding is open.
Failed
compressor r un
capacitor .
Faulty r un
capacitor wi ring.
Compressor not
properly wired
to control.
Faulty
compressor
wiring.
07 Compressor r un
winding is open.
Compressor not
properly wired
to control.
Faulty
compressor
wiring.
07 Compressor r un
winding is open.
Compressor not
properly wired
to control.
Faulty
compressor
wiring.
08 Low line v oltage.
VO LT
PCBHR104
Chec k Tu rn power OFF pr ior
compressor ; to repai r
repair/replace as Must clear f ault by
needed. cycling 24V AC to
Chec k r un control.
capacitor ; replace Replace with correct
as needed. replacement par t(s).
Chec k wiring
repair/replaced
as needed.
Chec k Tu rn power OFF pr ior
compressor ; to repai r.
repair/replace as Fault will clear after 1
needed. normal cycl e.
Chec k wiring; Fault ma y be cycling
repair/replace as 24V AC to control.
needed. Replace with correct
replacement par t(s).
Chec k compres - Tu rn power OFF pr ior
sor ; repair/re- to repai r.
place as needed. Must clear f ault by cy -
Chec k wiring; cling 24V AC to control.
repair/replace as Replace with correct
needed. replacement par t(s).
Chec k circuit Tu rn power OFF pr ior
break ers and to repai r.
fuses . Control detects line
Ve rify unit is voltage less than
connected to 185 VAC.
power supply Fault will clear if line
voltage increases
rating plate . above 185 VAC.
Correct lo w line
voltage condition;
contact local
utility if needed.