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13-1
TROUBLESHOOTING
Revision Y05-01
Service Manual - WMZ
13. TROUBLESHOOTING
NO
SYMPTON
PROBABLE CAUSE
CORRECTIVE ACTION
1.
The stand-by
indicator (red led)
on the central
control display
panel doesn’t light
up.
There is no correct voltage
between the line and neutral
terminals on main P.C.B
-If the voltage is low repair power
supply.
-If there is no voltage repair
general wiring.
-If there is correct voltage replace
main or display P.C.B’S
2.
The operation
indicator (green
led) on the central
control display
panel does not
light up.
The remote control batteries
are discharged
-Replace batteries of the remote
control.
3.
The operation
indicator (green
led) does not light
up when starting
from unit.
Check main P.C.B and display
P.C.B
-Replace P.C.B if necessary.
4.
The indoor fan
does not function
correctly.
Check the voltage between
indoor fan terminals on the
main P.C.B
-If there is voltage replace
capacitor or motor.
5.
The outdoor fan
does not function
correctly.
Check the voltage between out
door fan terminals on the main
P.C.B
There is voltage between
outdoor fan terminals on the
outdoor unit.
There is no voltage between
outdoor fan terminals on the
outdoor unit.
-If there is no voltage replace main
P.C.B
-Replace capacitor or motor.
-Check and repair electrical wiring
between indoor and outdoor units.
6.
The compressor
does not start up.
Check voltage on compressor
terminals on the outdoor unit.
(with ammeter)
Check if there is correct voltage
between compressor terminals
on the outdoor unit.
-If no voltage replace main P.C.B
-If low voltage repair power supply.
-If the voltage correct replace
capacitor or compressor.
-If there is no voltage repair
electrical wiring between indoor
and outdoor units.
7.
The refrigeration
system does not
function correctly.
Check for leaks or restrictions.
With ammeter. Pressure gauge
or surface thermometer.
-Repair refrigeration system and
charge refrigerant if necessary.
Содержание Gcz 12
Страница 18: ...4 1 OUTLINE DIMENSIONS Revision Y05 01 Service Manual WMZ 4 OUTLINE DIMENSIONS 4 1 WMZ 7 9 12 4 2 WMZ 17 22...
Страница 19: ...4 2 OUTLINE DIMENSIONS Revision Y05 01 Service Manual WMZ 4 3 GCZ 7 9 12 4 4 GCZ 17...
Страница 20: ...4 3 OUTLINE DIMENSIONS Revision Y05 01 Service Manual WMZ 4 5 GCZ 22...
Страница 65: ...8 2 WIRING DIAGRAMS Revision Y05 01 Service Manual WMZ 8 3 Outdoor Unit GCZ 7 9 12 17 8 4 Outdoor Unit GCZ 22...
Страница 66: ...9 1 ELECTRICAL CONNECTIONS Revision Y05 01 Service Manual WMZ 9 ELECTRICAL CONNECTIONS 9 1 WMZ 7 9 12 17 22...
Страница 109: ...14 5 EXPLODED VIEWS AND SPARE PARTS LISTS Revision Y05 01 Service Manual WMZ 14 1 5 Indoor Unit WMZ 17 22...
Страница 112: ...14 8 EXPLODED VIEWS AND SPARE PARTS LISTS Revision Y05 01 Service Manual WMZ 14 1 8 Outdoor Unit GCZ 7 9 12 ST R22...
Страница 116: ...14 12 EXPLODED VIEWS AND SPARE PARTS LISTS Revision Y05 01 Service Manual WMZ 14 1 12 Outdoor Unit GCZ 17 ST R22...
Страница 118: ...14 14 EXPLODED VIEWS AND SPARE PARTS LISTS Revision Y05 01 Service Manual WMZ 14 1 14 Outdoor Unit GCZ 22 ST R22...
Страница 120: ...14 16 EXPLODED VIEWS AND SPARE PARTS LISTS Revision Y05 01 Service Manual WMZ 14 1 16 Outdoor Unit GCZ 7 RC R22...
Страница 122: ...14 18 EXPLODED VIEWS AND SPARE PARTS LISTS Revision Y05 01 Service Manual WMZ 14 1 18 Outdoor Unit GCZ 9 RC R22...
Страница 124: ...14 20 EXPLODED VIEWS AND SPARE PARTS LISTS Revision Y05 01 Service Manual WMZ 14 1 20 Outdoor Unit GCZ 12 RC R22...
Страница 126: ...14 22 EXPLODED VIEWS AND SPARE PARTS LISTS Revision Y05 01 Service Manual WMZ 14 1 22 Outdoor Unit GCZ 17 RC R22...
Страница 128: ...14 24 EXPLODED VIEWS AND SPARE PARTS LISTS Revision Y05 01 Service Manual WMZ 14 1 24 Outdoor Unit GCZ 22 RC R22...
Страница 130: ...14 26 EXPLODED VIEWS AND SPARE PARTS LISTS Revision Y05 01 Service Manual WMZ 14 1 26 Outdoor Unit GCZ 7 9 ST R407C...
Страница 133: ...14 29 EXPLODED VIEWS AND SPARE PARTS LISTS Revision Y05 01 Service Manual WMZ 14 1 29 Outdoor Unit GCZ 7 9 RC R407C...
Страница 136: ...14 32 EXPLODED VIEWS AND SPARE PARTS LISTS Revision Y05 01 Service Manual WMZ 14 1 32 Outdoor Unit GCZ 12 ST R407C...
Страница 138: ...14 34 EXPLODED VIEWS AND SPARE PARTS LISTS Revision Y05 01 Service Manual WMZ 14 1 34 Outdoor Unit GCZ 12 RC R407C...
Страница 140: ...14 36 EXPLODED VIEWS AND SPARE PARTS LISTS Revision Y05 01 Service Manual WMZ 14 1 36 OUtdoor Unit GCZ 17 ST R407C...
Страница 142: ...14 38 EXPLODED VIEWS AND SPARE PARTS LISTS Revision Y05 01 Service Manual WMZ 14 1 38 Outdoor Unit GCZ 17 RC R407C...
Страница 144: ...14 40 EXPLODED VIEWS AND SPARE PARTS LISTS Revision Y05 01 Service Manual WMZ 14 1 40 Outdoor Unit GCZ 22 RC R407C...
Страница 147: ...15 2 OPTIONAL ACCESSORIES Revision Y05 01 Service Manual WMZ...
Страница 148: ...15 3 OPTIONAL ACCESSORIES Revision Y05 01 Service Manual WMZ...
Страница 149: ...15 4 OPTIONAL ACCESSORIES Revision Y05 01 Service Manual WMZ...
Страница 150: ...15 5 OPTIONAL ACCESSORIES Revision Y05 01 Service Manual WMZ...
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