Sharp AY-ZP35PR Service Manual page 39

AY-ZP35PR
Problem Outdoor
symptom unit indi-
cation
(LED1)
Indoor unit 3-time
operates.
Outdoor unit
does not
operate tem-
porarily.
Indoor and 5-time
outdoor units
do not oper-
ate.
Indoor and 6-time
outdoor units
do not oper-
ate.
Indoor unit Malfunc-
tion No.
Lamp Main Sub
Timer (Orange) 3 0
Operation (Green)
Plasmacluster
(Blue)
Timer (Orange) 5 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)
Timer (Orange) 6 0
Operation (Green)
Plasmacluster
(Blue)
Timer (Orange) 1
Operation (Green)
Plasmacluster
(Blue)
Content of diagnosis
Main Sub
Dry opera- Temporary stop
tion due to dehumidi-
fying operation
Outdoor unit Heat exchanger
thermistor thermistor open
open-circuit circuit error
Outdoor temper-
ature thermistor
open circuit error
Suction ther-
mistor open cir-
cuit error
2-way valve ther-
mistor open cir-
cuit error.
Discharge ther-
mistor open cir-
cuit error
Heat sink ther-
mistor open cir-
cuit error
Outdoor unit DC over current
DC Current error
IPM pin level
error
3-16
Check point
(Temporary stop for cycle
protection)
(1) Check connector of (1) Correct the instal-
the outdoor unit ther- lation.
mistor for secure
installation.
(2) Measure resistance (2) Replace the out-
of outdoor ther- door unit ther-
mistors. mistor assembly.
(3) Check the lead wires (3) Replace the out-
of thermistors on the door unit ther-
outdoor unit control mistor assembly.
PWB for open-cir-
cuit.
(4) No abnormality (4) Replace the out-
found in above door unit control
inspections (1) PWB assembly.
through (3).
Go to "DC Over Current Error (6-0 error)".
(1) Check the IPM is (1) Replace the out-
attached correctly to door unit IPM PWB
the outdoor unit IPM assembly.
PWB.
Action
-