ULINE H-6621 Industrial Dehumidifier User Manual
- June 7, 2024
- ULINE
Table of Contents
ULINE H-6621 Industrial Dehumidifier User Manual
TROUBLESHOOTING
| OPERATING ISSUE | CAUSES | RECOMMENDATIONS |
|---|---|---|
| The unit is not working. |
- The breaker tripped.
- The unit is plugged into a GFI protected circuit.
- The unit is being run from a generator.
- The extension cord is not the correct gauge for the distance run. (14 AWG up to 25′ and 12 AWG over 25′)
|
- Reset breaker.
- Remove from area. Excessive moisture will trip GFI.
- Check output does not fluctuate, as the unit will not operate at low voltage.
- Verify voltage while unit is starting. Start up will cause the highest current draw and largest voltage drop. Even if plugged directly to outlet, there can be a significant voltage drop. Never assume the voltage is okay without verifying.
The unit shuts down and displays an error code.|
- ER 1: Overflow switch remaining closed for over two minutes.
- Plugged or kinked drain hose.
- Bad connection in pump circuit.
- Defective condensate pump.
- ER 2: Internal pressure switch indicates refrigerant pressure is too high.
- Air filter is dirty or plugged. The coil is dirty.
- Loose or faulty electrical connections to pressure switch.
- Fan is not working.
- Defective pressure switch.
|
- Remove obstruction. Check
- connections. Replace pump.
- Clean or replace air filter. Clean coil.
- Check connections.
- Replace fan.
- Replace pressure switch.
The unit continually ices up.
NOTE: Some ice buildup on the evaporator coil is normal, but airflow should not be blocked.
|
- No warm air is blowing out of the back of the unit.
- Air filter is dirty and airflow is obstructed.
- Dirty evaporator coil.
|
- Ambient temperature may be too low. Raise temperature with supplementary source.
- Clean filter. Unit should have a minimum of 10″ clearance all around it.
- Clean coil.
Unit moves some water, but not as much as expected.|
- Air filter is dirty or airflow obstructed.
- Evaporator coil dirty.
- Restrictive or kinked exhaust ducting (if used).
|
- Unit should have a minimum of 10″ clearance all around it. Clean air filter and ensure adequate airflow/space around unit.
- Clean coil.
- Straighten out ducting.
Fan does not run. Compressor runs briefly, but cycles on/off.|
- Loose connection in fan circuit.
- Fan obstructed and not turning.
- Defective fan.
- Defective control board.
|
- Check connections.
- Remove obstruction.
- Replace fan.
- Replace control board.
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