Sharp AY-ZP35PR Service Manual page 43

AY-ZP35PR
Problem Outdoor
symptom unit indi-
cation
(LED1)
Indoor and 13-time
outdoor units
do not oper-
ate.
Indoor and
outdoor units
operate.
Indoor and 14-time
outdoor units
do not oper-
ate.
Indoor unit Malfunc-
tion No.
Lamp Main Sub
Timer (Orange) 13 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) 14 0
Operation (Green)
Plasmacluster
(Blue)
Timer (Orange) 1
Operation (Green)
Plasmacluster
(Blue)
Timer (Orange) 2
Operation (Green)
Plasmacluster
(Blue)
Content of diagnosis
Main Sub
DC com- Compressor
pressor startup error
Compressor
rotation error.
(at 120o energiz-
ing)
Compressor
rotation error
(at 180o energiz-
ing)
Detection error of
inverter current.
Outdoor unit PAM over volt-
PAM age error
PAM clock error
PAM under volt-
age error
3-20
Check point
(1) Check the colors (1) Correct the instal-
(red, white, orange) lation. (U: Red, V:
of the compressor White, W: Orange)
cords for proper con-
nection. (PWB side,
compressor side)
(2) Check if the IPM ter- (2) Replace the out-
minal resistance val- door unit control
ues are uniform. PWB assembly.
(3) Check if outdoor (3) Replace the out-
main relay (MRY1) door unit control
turns on and voltage PWB assembly.
of both end of the
condenser (C10) has
become DC290-
330V.
(4) No abnormality (4) Replace the com-
found in above pressor.
inspections (1)
through (3).
(1) Check the circuit of (1) Replace the out-
detection of inverter door unit control
current. PWB assembly.
(1) Check the AC power (1) Correct the instal-
supply voltage for lation.
fluctuation.
(2) No abnormality (2) Replace the PWB
found in above assembly.
inspection.
(1) Check the PAM
(1) Replace the out-
clock for proper door unit control
input. PWB assembly.
(1) Check the AC power (1) Correct the instal-
supply voltage for lation.
fluctuation.
(2) No abnormality (2) Replace the PWB
found in above assembly.
inspection.
Action