If there is no cooling
at all , before we go further we must confirm the first step of confirming the
compressor and gas pressure. So shut off the fridge and leave it off while you
clean and check the evaporator for frost. If frost is seen it is a good
indication as the compressor is working with sufficient gas within.
Now after about 6 hours plug in the fridge to start. Observe cooling to happen
in about one hour and ice to from under three hours.
Earlier make sure that the thermostat was set to normal mode for freezer and
fridge. If there is no ice formation we have a big issue as the compressor and
gas must be checked out. If compressor is running check the pressure, get help
to test gas pressure. If not you will need to fill up ,If gas pressure is good
the possibility of the compressor being inefficient is high. In such a case you
must take consensus to estimate and decide, if RPM of motor is low check
capacitor.
However if Ice forms then observe the fridge for about 24 hours for cooling to
continue and the fridge to cut off. If not the auto defrost timer, or the
thermostat must be checked.
The ventilation fan that
circulates the COLD air from the evaporator coils could get clogged with frost
and so could be jammed. Also the wires to the fan can be worn out due to the
frost. If so check if the defrost timer works to switch the heater to remove
the frost. Also the check if the compressor is shut down by the timer /thermostat . If the
heaters are not working, check continuity of the heaters.
So attempt to test using a multi-meter / clamp tester from the outside and make
your observations so that we come to the solution.
Please check this link
for tips to work.
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