Chart - Sharp AY-ZP35PR Service Manual

[9] CHART

<INDOOR UNIT> :1-second ON / 1-second OFF
Problem Outdoor
symptom unit indi-
cation
(LED1)
Normal con- Normal
dition blinking
Indoor and 1-time
outdoor units
do not oper-
ate.
Indoor and 2-time
outdoor units
do not oper-
ate.
Indoor unit
operates.
Outdoor unit
does not
operate tem-
porarily.
Indoor and
outdoor units
do not oper-
ate.
Indoor unit Malfunc-
tion No.
Lamp Main Sub
Timer (Orange) 0 0
Operation (Green)
Plasmacluster
(Blue)
Timer (Orange) 1 0
Operation (Green)
Plasmacluster
(Blue)
Timer (Orange) 1
Operation (Green)
Plasmacluster
(Blue)
Timer (Orange) 2
Operation (Green)
Plasmacluster
(Blue)
Timer (Orange) 3
Operation (Green)
Plasmacluster
(Blue)
Timer (Orange) 2 0
Operation (Green)
Plasmacluster
(Blue)
Timer (Orange) 1
Operation (Green)
Plasmacluster
(Blue)
Timer (Orange) 2
Operation (Green)
Plasmacluster
(Blue)
Timer (Orange) 3
Operation (Green)
Plasmacluster
(Blue)
Timer (Orange) 4
Operation (Green)
Plasmacluster
(Blue)
Timer (Orange) 5
Operation (Green)
Plasmacluster
(Blue)
Content of diagnosis
Main Sub
Normal
Outdoor unit Heat exchanger
thermistor thermistor short
short-circuit circuit error
Outdoor temper-
ature thermistor
short circuit error
Suction ther-
mistor short cir-
cuit error
2-way valve
thermistor short
circuit error
Cycle tem- Compressor high
perature temperature
error
Compressor dis-
charge overheat.
Outdoor unit heat
exchanger over-
heat.
Indoor unit heat
exchanger over-
heat.
IPM high temper-
ature error
IPM high temper-
ature error
3-15
Check point
(1) Measure the resis- (1) Replace the out-
tance of the outdoor door unit ther-
unit thermistors. mistor assembly.
(2) Check the lead wire (2) Replace the out-
of the outdoor unit door unit ther-
thermistor for torn mistor assembly.
sheath and shortcir-
cuit.
(3) No abnormality (3) Replace the out-
found in above door unit control
inspections (1) and PWB assembly.
(2).
(1) Check the outdoor (1) Ensure unob-
unit air outlet for structed air flow
blockage. from the outdoor
unit air outlet.
(2) Check if the power (2) Connect power
supply voltage is AC supply of proper
230V at full power. voltage.
(3) Check the pipe con- (3) Charge the speci-
nections for refriger- fied amount of
ant leaks. refrigerant.
(4) Measure resistance (4) Replace the out-
of the outdoor unit door unit compres-
compressor ther- sor thermistor
mistor. assembly.
(5) Check the expansion (5) Replace the
valve for proper expansion valve
operation. coil, expansion
valve or outdoor
unit control PWB
assembly.
(Temporary stop for cycle
protection)
(Temporary stop for cycle
protection)
(Temporary stop for cycle
protection)
(Temporary stop for cycle
protection)
(1) Measure resistance (1) Replace the out-
of the heat-sink ther- door unit PFCM
mistor. PWB or control
PWB assembly or
change the heat-
sink thermistor.
AY-ZP35PR
Action
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