Question about Sub-Zero 561 / F
There could be a low freon situation. I doubt faulty compressor. At the same time i would say, it could be compressor relay.
If you have experience in repairing appliances, could take all precautions necessary and use multimeter - You could do a continuity check on compressor motor and all combination's. An infinity value on multimeter would confirm bad compressor.
On the side of the compressor you will see a box (maybe a cover) remove the cover if it has one and then remove the wire harness. next you will see the relay with the capacitor mounted to it. give the relay a tug and pull it off the side of the compressor. once you have it off pull the capacitor off and then give the relay a shake. If it rattles the relay is bad. if the relay does not rattle the compressor is bad and you will need to call a service guy to replace the compressor.
Other option would be - Go to a local repair shop and get an overload and relay ( cost around $50 ).Replace it. If the problem still persists, then it is faulty compressor.
Compressor's usually have 5 years warranty on it.
There is a nice troubleshooting tip written by me. Have a look at the same. It would only include simple steps :-
Posted on Aug 03, 2010
If you are not hearing the compressor cycle on and off in intervals and there is no air flow present inside the unit, this will confirm that there has been a severe malfunction within the units assembly. You will need to check the following areas for faults:
1. Compressor- Make sure this unit is functioning. if it is not cycling as designed, this will be the culprit. If it is cycling but very hot to the touch when operating, check the condenser coils for debris and clean them if necessary.
2. Compressor start relay - This is the main on/off switch that is attached to the side of the compressor. This relay, when energized by the main control board, starts the compressor. if the relay has failed, it will not start the compressor, thus, rendering the unit inoperable. Pull the relay off and shack it. If it rattles, replace it.
3. Evaporator fan - This is a very important part of the evaporator core. This is the principal air mover of the unit. If this fan fails, the inside freezer and refrigerator will not cool, at all. You will need to remove all the freezer shelves and content to access this unit. It is concealed behind a panel inside the back section of the freezer compartment. Once the concealment panel is removed, you will expose the core and fan. the fan can be tested with a multimeter for proper continuity. You can also jump the terminals with a jumper wire to see if it is still in working order. An external power source will be needed for this test. if the fan fails the test, replace the fan motor.
4. Condenser fan - This is also a very important fan. This fan is mounted near the condenser coils and can fail. You can test it in the same manner as the evaporator fan. replace the condenser fan if it proves to be damaged.
5. Main PCB(Printed Circuit Board)- This is basically your main power controller. This board routes power to all the fans and compressor unit located in the assembly. it also routes power to the lights and ice maker/dispenser, as well. This will be the most expensive repair, in this case. If all the above areas prove to be functional, the main PCB will be the culprit. You can easily locate this board. It is usually mounted on a bracket, near the compressor platform, or behind a concealment panel on the rear of the unit. Once you have gained access, visibly, inspect the board for burn markings at the relay mounts and jumpers. check the entire circuit board for discolorations like brown marks or black burn marks at the plug-in connectors. If this refrigerator is totally dead, this will be the cause.
6. Monitoring thermostats - These are located in each compartment. Replace each thermostat/thermistor if all other check points are ok and functioning as designed.
7. Condenser coils- The condenser coils dissipate heat. If dust and debris accumulate around the coils, your refrigerator may not be able to cool properly, it may run continuously or it may stop completely as a result of an overheated compressor. You should clean rear-mounted coils once a year. Unplug the refrigerator before cleaning. Refrigerators are heavy, never tip one forward or backward. Never attempt to move a refrigerator without an assistant. Vacuum or brush the coils. If coils have a filmy build-up, use warm soapy water to clean them. Take care not to spill or drip water onto the components of the refrigerator.You should clean floor level coils at least twice a year. Unplug the refrigerator before cleaning. Vacuum or brush the coils. Remove the grill from the front of the refrigerator and use a vacuum with a wand attachment to remove any dust and debris. The grill should snap off and on. Pull firmly toward you and possibly upward to remove the grill. If it does not come off with a modest effort, check for screws or retaining clips that may hold it in place.
You will find the culprit in one or all of the areas stated above.
Posted on Aug 03, 2010
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Posted on Jan 02, 2017
Tips for a great answer:
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Here is the basic idea on how to keep the
refrigerator, air conditioner, or vacuum cleaner to work properly. Air is moved
by an electric fan or blower in order for that product to work properly. If air
movement is blocked the fridge won't get cold, the central air conditioner
won't cool enough, the vacume cleaner won't clean as well. Check on your
fridge's air movement by inspecting the bottom of the fridge for dust and cob
webs. Remove the front bottom clip-on plastic grill. Or also even access the
lower back of the fridge by removeing
the screws holding up the heavy cardboard cover to see inside. Blockage
of air flow will prevent a fridge from getting cold. Just like a vacume
cleaner stops working when the bag is filled with dust and fibers.
The air could be blocked by the accumulation of dust and
fibers. Look under your fridge if it is
cloged, it will look just like the stuff on a dirty central air filter.
Dust and fiber buildup blocking the fridge's air
movement from back to front (or visa-versa) of your fridge will slowly (years)
prevent how good it cools. The build-up of dust and cobwebs prevents your
fridge from cooling (more specifically prevents the heat to disapate
from the metal heat disipating fins
attached to the metal tubes to be blown off by the fans air). OK! Remedy
for a vacuum cleaner REPLACE THE CLOGED VACUUM BAG.
Remedy for your fridge manually REMOVE THE
CLOGING DUST AND FIBERS FROM UNDER YOUR FRIDGE. SORRY fridge
manufacturers do not provide a dust filter like the vacume cleaner and central
air systems manufacturers do. You have to figger out
the best way you can clean it. Possibly vacuum with a crevice tool, or use
a small brush than vacuum. The extreme would be unplug
the fridge ( so you won't get electrocuted) bring
a water hose into the kitchen and spray water at cobweb buildup at the bottom
fridge, than wet vac the floor then wait
20 minutes to dry before pluging the fridge back into the electric outlet.
When you stand in front of your fridge and you hear the fridge electric motor turn on, the fan will blow air.The fridge
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