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DRIZAIR 120 REFRIGERANT DEHUMIDIFIER TROUBLESHOOTING

Troubleshooting solutions fall into two categories listed in the third column. Field Solutions (FS) are those proce-

dures that can be handled by the technician in the field. Others solutions should be handled by a repair technician and

are listed as Authorized Service Technician (AST).

WARNING: All the service procedures below should be executed with power off i.e. unplugged.

PROBLEM

The dehumidifier does not op-

erate

The compressor will not start

Fan blade not turning

Dehumidifier operating but

room not dry

Only partial frost or moisture

on coils

No moisture or frost on coils

1. No power to machine

2. Switch not turned on

1. Unit turned on too soon

2. Faulty or broken wire

3. Overload preventing com-

pressor start up

4. Bad compressor

5. Defective relay

1. Obstructed or bent fan

blade

2. Loose fan blade nut

3. Loose or broken wire

4. Burned out fan motor

1. Not enough time to get

dry

2. Poor air movement

3. Excessive air infiltration

1. Possible leak in system

2. Low charge in system

1. Possible leak in system

2. Capillary tubing damaged

3. Compressor not running

FOR PARTS AND SERVICE CALL YOUR LOCAL DISTRIBUTOR,

OR THE DRI-EAZ SERVICE DEPARTMENT AT (360) 757-7776

Caution

CAUSE

AST

SOLUTION

1. Plug in the unit

2. Check power at outlet

3. Turn on the switch

1. Switch off unit and wait 5 mi-

nutes before starting

2. Replace or repair broken/loose

wire

3. Reduce room temperature be-

low 100° F (38° C)

4. Replace or repair compressor

5. Use Volt/amp meter to check

relay

1. Remove obstruction or replace

fan blade.

2. Tighten fan blade nut

3. Replace broken wire

4. Replace fan motor

1. Allow more time for drying

2. Increase air movement with

Dri-Eaz TurboDryers

3. Reduce airflow into the area

being dried

1. Check for leak with gas leak

detector

2. Repair and recharge system

3. Contact distributor or Dri-Eaz

Products

1. Check for leak with gas leak

detector

2. Look for damage, replace tub-

ing

3. See Compressor Section