Kenmore Dehumidifiers - Page 7 - Recent Questions, Troubleshooting & Support
Runs but does not produce water
(1) Make sure that the fan is turning OK as dust often gums-up the bearings. (2) Make sure that the heat exchangers are not clogged with dust. If the main motor, the so-called pot, is running but no cooling results it could be
(A) The refrigerant has been lost. This is an extremely bad fault which makes the unit a basket-case. The reason being that even if a self-piercing filling point is added to recharge the unit with refrigerant, unless the leak is found and fixed the repair will be a nine day wonder.
(B) This fault is more likely and the fix is do-able. It is quite likely that the machine is stuck in its defrost cycle. Wiring problems, thermistor problems or relay problems are all possibilities. Some machines use an electric heater on the evaporator (the part that freezes-out moisture from the air) If the heater is stuck on, the evaporator will never become cold enough to work. The more usual defrosting method is Hot Gas Purge and if this is the type used there will be a special electrically operated valve in the refrigeration circuit. Often the default is to defrost-on-start-up so its easy to listen to the valve to see whether it clicks. Good luck!
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