Sharp AE-X15PU Service Manual page 32

AE-X15PU
Outdoor
Problem unit
symptom indication
(LED1)
Indoor and 12- ime O O O O O Timer (Orange)
outdoor
units do not
operate.
Indoor and 13- ime O O O O O Timer (Orange)
outdoor
units do not
operate.
O O O O O Timer (Orange)
O O O O O Timer (Orange)
Indoor and O O O O O Timer (Orange)
outdoor units
operate.
Indoor and 14- ime O O O O O Timer (Orange)
outdoor
units do not
operate.
O O O O O Timer (Orange)
O O O O O Timer (Orange)
Indoor unit Lighting or O O O O O Timer (Orange)
operates. OFF
O
Outdoor unit
does not
operate.
Indoor unit Lighting or O O O O O Timer (Orange)
operates.
OFF
O
Outdoor unit
does not
operate.
Indoor and O O O O O Timer (Orange)
outdoor
O
units do not
operate.
Malfunction
Indoor unit
→
Lamp Main Sub
O O Operation (Green)
Plasmacluster (Blue)
O O O Operation (Green)
Plasmacluster (Blue)
O O O Operation (Green)
O Plasmacluster (Blue)
O O O Operation (Green)
O Plasmacluster (Blue)
O O O Operation (Green)
O O Plasmacluster (Blue)
O O O Operation (Green)
Plasmacluster (Blue)
O O O Operation (Green)
O Plasmacluster (Blue)
O O O Operation (Green)
O Plasmacluster (Blue)
O Operation (Green)
Plasmacluster (Blue)
O Operation (Green)
Plasmacluster (Blue)
O Operation (Green)
O Plasmacluster (Blue)
Content of diagnosis
No.*
Main Sub
12 0 Thermal fuse Thermal fuse error
in terminal in terminal board (for
board power supply)
13 0 DC Compressor startup
compressor error
1 Compressor rota ion
error.
(at 120° energizing)
2 Compressor rota ion
error
(at 180° energizing)
3 Detection error of
inverter current
14 0 Outdor unit PAM over voltage
PAM error
1 PAM clock error
2 PAM under voltage
error
17 0 Wiring Serial opencircuit
between
units
18 0 Wiring Serial opencircuit
between
units
1
3 – 16
Check point Action
1) Check he thermal fuse 1) Replace terminal
in terminal board (for board for Power
Power supply) supply.
2) Check connector CN5 of 2) Correct he installa-
the outdoor unit. tion.
3) 1) 2): Normal 3) Replace the outdoor
unit control PCB
assembly.
1) Check he colors (red, 1) Correct the installa-
white, orange) of the tion.
compressor cords for
(U: Red, V: White, W:
proper connection.
Orange)
(PWB side, compressor
2) Replace the outdoor
side)
unit control PWB
2) Check if he IPM terminal assembly.
resistance values are
3) Replace the outdoor
uniform.
unit control PWB
3) Check if outdoor main assembly.
relay (MRY1) turns on
4) Replace the com-
and voltage of both end
pressor.
of the condenser (C8
or C9) has become
DC290-330V.
4) 1) 2) 3) : Normal
Check the circuit of Replace the outdoor
detection of inverter unit control PWB
current. assembly.
1) Check the AC power 1) Correct he installa-
supply voltage for tion.
2) Replace the PWB
2) No abnormality found in assembly.
above inspection.
Check the PAM clock for Replace the outdoor
proper input. unit control PWB
assembly.
1) Check the AC power 1) Correct he installa-
supply voltage for tion.
2) Replace the PWB
2) No abnormality found in assembly.
above inspection.
1) Check he wires between 1) Connect stable
units. power supply.
2) Check voltage between Correct the wiring.
N and 1 the indoor/
2) Replace the outdoor
outdoor unit terminal
unit control PWB
boards.
assembly.
3) Check the outdoor unit
3) Replace the fuse/
fuse.
outdoor unit control
4) Check 15-V,12-V and PWB assembly.
5-V voltages on the
4) Replace the outdoor
PCB.
unit control PWB
Check resistance between assembly.
IPM terminals.
5) Replace the outdoor
5) Check pins No 3 and 5 unit fan motor.
of connector CN3 of he
6) Replace the outdoor
outdoor unit fan motor
unit control PWB.
for shortcircuit.
6) Outdoor unit control
PCB.
Check the wiring between Correct the wiring.
units.
Check the wiring between Correct the wiring.
units.