Service manual

3-19
AY-ZP35PR
Indoor and
outdoor units
do not oper-
ate.
11-time
Timer (Orange) 11 0 Outdoor unit
DC fan
Outdoor unit DC
fan rotation error
(1) Check connector
CN3 of the outdoor
unit DC fan motor for
secure installation.
(1) Correct the instal-
lation.
Operation (Green)
Plasmacluster
(Blue)
(2) Check the outdoor
unit fan motor for
proper rotation.
(2) Replace the out-
door unit fan
motor.
(3) Check fuse FUSE5. (3) Replace the out-
door unit control
PWB assembly.
(4) No abnormality
found in above
inspections (1)
through (3).
(4) Replace the out-
door unit control
PWB assembly.
Timer (Orange) 1 Outdoor unit DC
fan drive IC error
(1) Check if the fan IPM
terminal resistance
values are uniform.
(1) Replace the out-
door unit control
PWB assembly.
Operation (Green)
Plasmacluster
(Blue)
(2) Outdoor unit fan
motor continuity
check.
(2) Replace the out-
door unit fan.
Timer (Orange) 2 Outdoor unit DC
fan lock error
(1) Check the outdoor
unit fan motor for
proper rotation.
(1) Replace the out-
door unit control
PWB assembly.
Operation (Green)
Plasmacluster
(Blue)
(2) (1):Normal (2) Replace the out-
door unit fan.
Timer (Orange) 3 Detection error of
DC fan negative
rotation before
compressor is
driven
(1) (Temporary stop for
DC fan circuit protec-
tion)
-
Operation (Green)
Plasmacluster
(Blue)
Timer (Orange) 4 Detection error of
inverter current
for DC fan
- (1) Replace the out-
door unit control
PWB assembly.
Operation (Green)
Plasmacluster
(Blue)
Timer (Orange) 5 Outdoor unit DC
fan open con-
nector error
(1) Check connector
CN3 of the outdoor
unit DC fan motor for
secure installation.
(1) Correct the instal-
lation.
Operation (Green)
Plasmacluster
(Blue)
(2) No abnormality
found in above
inspections (1).
(2) Replace the out-
door unit control
PWB assembly.
Indoor and
outdoor units
do not oper-
ate.
12-time
Timer (Orange) 12 0 Thermal
fuse in ter-
minal board
Thermal fuse
error in terminal
board (for power
supply)
(1) Check the thermal
fuse in terminal
board (for Power
supply)
(1) Replace terminal
board for Power
supply
Operation (Green)
Plasmacluster
(Blue)
(2) Check connector
CN5 of the outdoor
unit.
(2) Correct the instal-
lation.
(3) No abnormality
found in above
inspections (1) and
(2).
(3) Replace the out-
door unit control
PWB assembly.
Problem
symptom
Outdoor
unit indi-
cation
(LED1)
Indoor unit Malfunc-
tion No.
Content of diagnosis Check point Action
Lamp Main Sub Main Sub