07-01674F 2011-04 Warranty 07-00420 10 Dri-Eaz Products, Inc.
CONNECT
– or –
ER4 √ OUTLET SENSOR
CONNECT
Check Sensor Connections
Check defrost sensor for proper connection.
Check sensor cable for damage. Sensor assem-
bly may need replacement. Contact service.
ER5 √ SENSOR
CONNECTION ON BD
Check Temp/RH Sensor
Connections
Check temp/RH sensor connections.
ER6 CONTACT
SERVICE CENTER
Failure: Contact Service
Center
The high voltage board may need replacing.
Contact service.
ER7 INVALID
MODEL SETTING
Failure: Contact Service
Center
Incorrect DIP switch settings or firmware version
for that specific model. Contact service.
ER8 BUTTON STUCK √
ALL BUTTONS
Dehumidifier Off. Button
Stuck on Controller
Press each membrane button and check for
proper operation. Membrane overlay may require
replacement. Contact service.
ER9 PUMP BLOCKED √
CHECK PUMP & HOSE
Dehumidifier Off: Check
Hose and Pump
Check for obstructions in drain hose. Check the
pump.
TROUBLESHOOTING
FAULT CAUSE SOLUTION
Water drips out
when moving
Unit was unplugged before
purging was complete.
Purge unit before moving. See “At the End of the Job,” p. 5.
Unit does not
operate
No power to machine.
Unit not switched on.
Plug in unit; check power at outlet and at base of unit. Switch
unit on.
Blower wheel
not turning
Obstructed blower.
Remove duct ring and grill.
Remove obstruction.
Replace duct ring and grill.
Unit operating,
but room not dry
Not enough time to dry.
Poor air movement in room.
Excessive moist air infiltration.
Allow more time for drying.
Increase air movement with air movers.
Reduce infiltration.
Unit collects too
little water
Room air is dry.
Room temperature is too low.
Check humidity with hygrometer.
Increase room temperature.
Check filter and coils; clean as necessary.
If the problem you are experiencing is not listed here, call your local distributor or contact
our Service Department toll-free at 800-932-3030 for further assistance.
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