Sharp AY-ZP35PR Service Manual page 41

AY-ZP35PR
Problem Outdoor
symptom unit indi-
cation
(LED1)
Indoor and 9-time
outdoor units
do not oper-
ate.
Indoor and
outdoor units
do not oper-
ate.
Indoor and 10-time
outdoor units
do not oper-
ate.
Indoor and
outdoor units
do not oper-
ate.
Indoor and
outdoor units
do not oper-
ate.
Indoor unit Malfunc-
tion No.
Lamp Main Sub
Timer (Orange) 9 0
Operation (Green)
Plasmacluster
(Blue)
Timer (Orange) 4
Operation (Green)
Plasmacluster
(Blue)
Timer (Orange) 10 0
Operation (Green)
Plasmacluster
(Blue)
Timer (Orange) 1
Operation (Green)
Plasmacluster
(Blue)
Timer (Orange) 2
Operation (Green)
Plasmacluster
(Blue)
Content of diagnosis
Main Sub
Cycle tem- Thermistor
perature installation error
or 4-way valve
error.
4 way valve error
or Gas leak error
EEPROM EEPROM (out-
error door) data error
EEPROM (out-
door) data error
CPU (outdoor)
RAM data error
3-18
Check point
(1) Check the ther- (1) Correct the instal-
mistor (heat lation.
exchanger) and (2-
way valve) are
installed in correct
positions.
(2) Check resistance of (2) Change the speci-
thermistors (heat fied amount of
exchanger and 2- refrigerant.
way valve).
(3) Check the 4-way (3) Replace the 4-way
valve for proper valve.
operation.
(4) No abnormality (4) Replace the out-
found in above door unit control
inspections (1) PWB assembly.
through (3).
(1) Check the indoor/ (1) Correct the instal-
outdoor heat lation.
exchanger ther-
mistors are installed
in correct positions.
(2) Check if the refriger- (2) Change the speci-
ant volume is abnor- fied amount of
mally low. refrigerant.
(3) Check the 4-way (3) Replace the 4-way
valve for proper valve.
operation.
- (1) Replace the out-
door unit control
PWB assembly.
Action