Question about Whirlpool AD40USR Dehumidifier
Unit is two years old. Fan runs good but compressor tries to start and only runs for a second or two.
The over-current relay is tripping out the compressor motor to prevent excessive current through motor windings. To prove this theory, open unit, find motor wires, disconnect wires from unit, and apply 120VAC to motor using external circuit-breaker source. Run 2 minutes max. If motor continuously turns, then relay is failing. Find it by tracing wires back to source and finding a small rectangular item. If motor again quits after 2 seconds, then this motor has an internal over-current self-resetting fuse that may be doing its job of preventing an electrical overload from a dead (shorted) motor.
Posted on Jul 07, 2007
The compressor of my refrigerator make a noise but won't start.
I install a 3 n'1 Start (solid State Relay Overload Start Capacitor Combination)_but tyhe problem remain the same.
I can I check the compressor.
Posted on Sep 14, 2009
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Posted on Jan 02, 2017
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Jun 05, 2016 | Dehumidifiers
So I just had this happen with my Frigidaire fad704dwd dehumidifier. I went to basement and heard it running and sounded off. The compressor was running fan was off which is bad and humidity said 30. I then pushed the off button and it stayed running. I was able to fix it. To make long story short it was a bad ground. I took the plastic back, sides, and front off. There was a green ground (main ground) and Green/yellow ground (fan ground) on the front coil with a bunch of rust. Removed the grounds connected them both together and cleaned the surface area and used a new stainless screw nut and screw to remount the wires to evaporator coil. Everything started working fine after that and I put it back together. Good Luck
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