TROUBLE DIAGNOSIS
- 61 -
CLAIMS.
CAUSES AND CHECK POINTS.
HOW TO CHECK
3. Poor Cooling
4) No cooling air circulation.
5) Compressor capacity.
6) Refrigerant
too much or too little.
7) Continuous operation
- No contact of temperature controller. - Foreign materials.
8) Damper opens continuously.
Foreign materials
jammed.
Failed sensor. - Position of sensor.
Characteristics
of damper.
9) Food storing place. - Near the outlet of cooling air.
Faulty fan motor.
Small cooling air
discharge.
Fan is
constrained.
Insufficient
motor RPM
Faulty fan.
Shorud. Bent.
Ice and foreign materials on rotating parts.
Fan shroud contact. - Clearance.
Damping evaporator contact.
Accumulated residual frost.
Fan misuse.
Bad shape.
Loose connection. - Not tightly connected.
Insert depth.
Rating misuse.
Small capacity.
Low valtage.
Malfunction of charging cylinder.
Wrong setting of refrigerant.
Insufficient compressor. - Faulty compressor.
Fan overload. - Fan misuse.
Bad low termperature RPM characteristics.
Rated power misuse.
Low voltage.
Adiabatics liquid dump
The EPS (styrofoam
) drip tray has sediment in it.
A screw or other foreign material has fallen into the drip
tray or damper.
Bad characteristics of its own temperatue.
Parts misuse.
Charge of temperature - Impact.
characteristics.
■
Check visually after
disassembly.
■
Check visually after
disassembly.
Содержание LSC 27950SB
Страница 22: ... 2 GR L277SSWA LSC27960ST MICOM FUNCTION 22 ...
Страница 42: ... 2 GR L277SSWA LSC27960ST EXPLANATION FOR MICOM CIRCUIT 42 ...
Страница 47: ...EXPLANATION FOR MICOM CIRCUIT 47 ...
Страница 51: ...EXPLANATION FOR MICOM CIRCUIT 51 ...
Страница 55: ... 1 GR L277SV S VA LSC27950SW LSC27950SB LSC27950ST CIRCUIT 55 ...
Страница 56: ... 56 2 GR L277SSWA LSC27960ST CIRCUIT ...
Страница 107: ...ICE WATER PART Optional part EXPLODED VIEW 117 EV 404A 625A 616G 619A 627A 616F ...
Страница 108: ...P No 3828JD8970B JAN 2006 Printed in Korea ...