Dehumidifier Troubleshooting Guide
The following is a guide for the owner/user to follow in the event the unit malfunctions. If further service is required, a qualified service technician must be called. The dehumidifier troubleshooting guide is also available in printable  PDF format.
| PROBLEM |
POSSIBLE CAUSE |
SOLUTION |
| Unit does not start |
Main power off. |
Turn main power on. Reset circuit breaker or replace blown fuses. |
| |
Thermostat system switch in off position. |
Set system switch in automatic position. |
| |
Humidistat set too high. |
Lower humidistat setting. |
| |
Thermostat system switch in off position. |
Set system switch in automatic position. |
| Unit does not shut off. |
Malfunctioning controls. |
Call service technician to repair or replace control. |
| Unit not operating properly, high humidity in room. |
Humidistat turned off. |
Turn humidistat on and set to desired RH level, usually between 50% and 60%. |
| |
Air filters dirty. |
Replace filter(s) |
| |
Controls located in room that is not being treated by dehumidifier. |
Change location of controls into room being treated by dehumidifier. |
| |
Pool water temperature too high. |
Lower pool water temperature usually between 78°F to 82°F. Usually 2°F to 4°F below room temperature. |
| |
Supply or return air registers blocked or closed |
Remove blockage and open registers. Check diffusers, make sure they are pointed in proper direction. |
| |
Blower belt loose & slipping. |
Check for worn belt and tighten or replace as necessary. |
|
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