TROUBLE DIAGNOSIS
- 68 -
CLAIMS.
CAUSES AND CHECK POINTS.
HOW TO CHECK
3. Refrigeration
is weak.
Plate
heater
Cord
heater
1) Refrigerant Partly leaked.
2) Poor defrosting capacity.
Drain path (pipe) clogged.
Defrost heater does not
generate heat.
Weld joint leak.
Parts leak.
Inject P/U into drain hose.
Foreign materials
penetration.
Cap drain is not disconnected.
Inject through the
hole.
Seal with drain.
P/U lump input.
Screw input.
Other foreign materials
input.
Parts
disconnected.
Wire is cut.
- Heating wire.
- Contact point
between heating
and electric wire.
Dent by fin evaporator.
Poor terminal contacts.
Wire is cut.
- Lead wire.
- Heating wire.
- Contact point
between heating and
electric wire.
Heating wire is corroded
- Water penetration.
Bad terminal connection.
■
Check visually.
■
Check terminal
Conduction: OK.
No conduction: NG.
If wire is not cut, refer to
resistance.
P=Power
V=Voltage
R=Resistance
V
2
P= —
R
V
2
R= —
P
Summary of Contents for GR-B197DVCA
Page 43: ...2 GR B197 GR B207 GR B247 EXPLATION FOR MICOM CIRCUIT 43 ...
Page 49: ...2 GR B197 GR B207 GR B247 EXPLATION FOR MICOM CIRCUIT 49 ...
Page 50: ...3 2 Parts list 1 GR L207 GR L247 EXPLATION FOR MICOM CIRCUIT 50 ...
Page 51: ...EXPLATION FOR MICOM CIRCUIT 51 ...
Page 52: ...2 GR B197 GR B207 GR B247 EXPLATION FOR MICOM CIRCUIT 52 ...
Page 53: ...EXPLATION FOR MICOM CIRCUIT 53 ...
Page 55: ...EXPLATION FOR MICOM CIRCUIT 55 ...
Page 56: ...2 GR B197 GR B207 GR B247 EXPLATION FOR MICOM CIRCUIT 56 ...
Page 57: ...EXPLATION FOR MICOM CIRCUIT 57 ...
Page 64: ...CIRCUIT 64 ...
Page 65: ...CIRCUIT 65 ...
