Check the compressor relay. The compressor relay can be accessed by removing the terminal cover
box. The cover is held on by tension or with a retaining clip.Beneath the terminal cover is found the compressor relay , overload protector and the electrical terminals of
the compressor motor.
Remove the compressor relay by pulling it straight off from the compressor. Pull the wire off of the side terminal of the relay. It is connected
with a slip on connector. Firmly pull the connector, do not pull on the
wire. You may need to use a pair of needle-nose pliers.
Inspect the connector and terminal for corrosion. If either is corroded they should be cleaned or replaced.
There are two types of relays you may encounter, wire coil and solid
state. If the relay has an exposed wound wire coil it can be tested for
continuity. Otherwise, the relay is of solid state design and requires
specialized equipment for testing.
How To Test the Compressor Relay
Test the compressor relay for continuity using a multimeter . Set the multimeter to the ohms setting X1.
With the relay upside down, place the probes into the terminals
labeled "S" and "M". The multimeter should display a reading of zero
ohms, indicating continuity (or if using a continuity tester, it should
light up).
With the probes still in place, turn the relay over. You should hear
the click of the magnetic switch engaging. The multimeter should now
display an ohm reading of infinity (or the tester should not light up).
Turn the relay upside down again, place the probe on the "S" terminal and place it on the side terminal labeled "L".
The multimeter should now display a reading of zero ohms
(continuity). Turn the relay over and the reading should change to
infinity.
With the relay upside down place one probe on the "L" terminal and the other probe on terminal labeled "M".
The multimeter should display a reading of zero ohms. Turn the relay over and the reading will stay the same, zero ohms.
If the compressor relay does not pass all of these tests, it should be replaced.
There are 5 basic, yet solvable reason for what you described. Please pay particular attention to numbers 1 & 2. In addition, an improperly installed water collection bucket can also cause it.
1. The humidity extraction level is set to HIGH. Lower it to 32-35%. If you have a manual unit
turn the control to Maximum.
2. Air intake filter is dirty or clogged. Turn unit OFF, & Unplug the
Unit, before removing to inspect & clean it, if necessary. If washed,
allow filter to completely dry before reinstalling. DO NOT operate
the unit without the filter.
3. Obstructed air flow. Maintain a minimum of 12 to 18" of clear air
space around the entire unit.
4. Cooling coils are dirty and need to be cleaned. Use warm water & dish washing liquid to
clean the coils. Rinse and wipe dry. Apply a light coating of WD40 to the coils.
5. Ambient air temperature at floor level is between 40 - 60 degrees.
dehumidifiers do not work well between those temperatures
(Unless, you have a Low Temp Unit). This applies mainly to
where the air
temperature at floor level is colder than at shoulder level
in basement applications. Raising the unit up off the floor,
onto a sturdy table, counter top, etc, that can handle the weight
of the unit, plus a full tank of water, will usually resolve this
problem.
If
none of the above solves the problem, it may be a case of the
compressor needs to be recharged with refrigerant gas or that the humidity condenser sensor has failed. These things usually occur in units that are
5 years old or older. It's rare in a unit younger than that. But, it
can happen.
Hope this helps you to troubleshoot and solve the problem.
Hi,
There
are many reasons why a dehumidifier will not work or collect water.
Here
is a tip that I wrote to help people to figure out what is going
wrong with their dehumidifier
Dehumidifier
is running but no water is in bucket
heatman101
]==================
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