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Troubleshooting
Pump Alarm- E4 Error Code
**UNIT WILL NOT FUNCTION UNTIL ERROR CODE IS CLEARED.
If E4 (pump alarm) is shown on the display, complete the following steps:
1. Reset the unit by unplugging the power cord and then reconnecting it.
2. Manually check to see if the pump is operational by pressing the drain button. Check
if the pump energizes and de-energizes properly. Additionally, check to see if any water
purged from the system.
3. If you haven’t cleaned the system recently, check the discharge line for an obstruction,
then clean as described in the Maintenance section.
4. Replace the hose and/or pump, if maintenance alone isn’t sufficient.
SolutionCauseSymptom
Poor Connection
Verifythatboth ends of the power cord are
plugged in
Power Outage
Reset power
TroubleCode:LO
Cleanthefilter
Cleartheblockage
FilterisDirty
AirInletorOutletisBlocked.
Diaplay is Blank
NoAirFlow
TroubleCode:E4
TroubleCode:E1
Problem with Pump
RoomTemperatureis
below 33.8℉
Humidity Sensor or
Communication Error
Check to ensure that the sensor wire is
connected at both ends, if no issues are
visible, the sensor may be faulty.
Verify that the pump is properly installed
and functioning. If so, unplug the unit for
two minutes, then restart.
Increase the room temperature so it is
within operation range (above 33.8℉). If
error still display, check sensor.
TroubleCode:HI
RoomTemperatureis
above 105℉
Decrease the room temperature so it is
within operating range (below 105℉). If
error still displays, check the sensor.
E5 TroubleCode
Refrigerant Leak Contact Your Installer for Assistance.
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Dehumidifier Storage
If the unit will be stored for an extended period of time, complete the
following steps:
1. Turn off the unit and allow it to dry.
2. Complete steps 1-3 in Advanced Pump Cleaning to clean out the
pump reservoir.
3. Wrap and secure the power cord.
4. Cover the filter mesh.
5. Store in a clean, dry space.
Ducted Applications
Ducting the dehumidifier allows the unit to be in one room while
conditioning an adjacent room. Both the inlet/return grille and the supply
grille are designed for 10” flex ducting.
Ducting Installation Notes
·Be sure to secure the ducting with tie wrap.
• Maximum total length of duct run = 10’
• Inlet and outlet duct adapters are optional accessories
Duct Adapter Installation
·Screw in the 4 screws on each ductadapter.
Flex Duct Installation
·Slide ducting over adapterand secure with tie wrap or clamps
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