Install Instructions

TABLE 2 – Troubleshooting Guide
Symptom Possible Reason Troubleshooting Procedure
Dehumidifier does not
turn on/run.
Nopowertounit. • Checkthatthedehumidifierispluggedin.
• CheckthatthepowerswitchisturnedON.
• CheckthatthecontrolisturnedON.
• Checkthatthecircuitbreakerhasnottripped.
Dehumidifier blower is
running but with little or
no airflow.
Pressure drop across dehumidifier
is higher than 0.6”w.c.
• Checkdehumidifierairfilterandwashorreplace.
Dehumidifier blower is
running but compressor
is not.
Float switch open. • Iffloatswitchinstalled,checkconnectionsatcontrolboardandemptycondensatepan.
• Ifnofloatswitchinstalledcheckthatthejumperisinstalledatthefloatswitchterminals
on the control board.
Coil frosting. • Lackoforreducedairflow.Checkdehumidifierairfilterandwashorreplace.
• Checkthatthereisnothingblockingtheinletoroutletofthedehumidifier.
• Inletairconditionsbelow60°F.Increasethehumiditysetting.
Inletairtemperatureisoutsideof
the 50°F – 104°F range or the dew
point is below 40°F and there is a
demand for dehumidification.
• Noaction.Thecompressorwillnotrunifinletconditionsareoutofrange.
Dehumidifier is not
draining properly.
Drain line blocked or unit not level. • Verifythattheunitislevel.
• Checkthedrainlineblockagesandforacontinuousdownwardslope.
Dehumidifier is
producing hot air.
Normalfunction. • Airisreheatedacrossthecondensercoil,resultinginatemperaturerisebetweeninlet
and outlet.
TROUBLESHOOTING (CONTINUED)
TABLE 1 – Diagnostic Codes (continued)
Diagnostic
Code Failure Mode Action Reset
E7 FloatSwitchOpen 1. Empty the condensate pan.
2. Check the float switch connection at the control board.
3. Ifnotusingafloatswitch,verifyjumperisbetweenfloatswitchterminalsondehumidifier
control board.
4. Iftheproblempersists,replacethefloatswitch.
Self-Correcting
E8 InletAirTemperature
Outof50°F–104°F
or dew point below
40°F
1. Iftemperatureisoutofrange,noaction,normaloperation.
2. Ifairtemperatureisbetween50°F –104°Fwithadewpointabove40°F,contactTechnical
Support.
Self-Correcting
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