Sharp AE-Z35PR, Service Manual

Page: 41 / 64

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