Trouble Shooting - Electric Operated; Refrigerators - Dometic RM24A Service Manual

TROUBLE SHOOTING - ELECTRIC OPERATED REFRIGERATORS
Cause
The refrigerator r'aes n o t c o o l s a t i s f a c t o r i l y
Thennoatat at wrong setting.
Air circulation over cooling unit
r e s t r i c t e d .
R e f r i g e r a t o r n o t l e v e l .
Air leakage into cabinet.
Evaporator heavily coated with
f r o s t .
Heater faulty, wrong voltage or
Intermittent electricity supply.
Drop in supply voltage.
Thermostat at too low setting.
Break in electrical circuit,
H e a t e r f a u l t y ( o p e n c i r c u i t ) .
Thermostat faulty.
Failed cooling unit.
The refrigerator is too cold
Thermostat at wrong setting.
End of thermostat capillary tube
incorrectly located.
Thermostat faulty.
Heater wrongly connected to
terminal block.
Remedy
Turn the thermostat dial to a higher number,
Remove any restriction,
The refrigerator must be level in both direc-
t i o n s t o o p e r a t e p r o p e r l y . I f i n a t r a i l e r ,
always make sure it is level when parked,
See par. 28.
Check fit of door gasket, and that the seal-
ing plug is in the hole for the thermostat
capillary in the rear wall of cabinet.
See par, 36.
Defrost at more frequent intervals,
Use a new heater of appropriate voltage
(see table page 37).
Look for loose connections or other reason
for interruption and correct,
The supply voltage should be maintained at
the full rate,
Turn thermostat dial to higher number.
Check fuses, switches, wiring, etc., and
r e p a i r t h e f a u l t ,
Replace with a new heater (see table page 37).
Fit a new thermostat.
See par, 44.
Turn the thermostat dial to a lower number,
Re-insert the capillary end of thermostat
fully in the sleeve under the ice-tray
compartment. See par, 30.
Have new thermostat fitted.
See wiring diagrams par. 19.