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TROUBLE SHOOTING
TROUBLE SHOOTING
FAULT
CAUSE
SOLUTION
Unit does
not
operate
No power to
machine.
Plug in unit; check
power at outlet and
at base of unit.
Confirm power is
on.
Fan is not
turning
Obstructed air
Outlet.
Remove
obstruction.
Unit
operating,
but room
not dry
1. Insufficient
Dehumidifying
time.
2. Poor air
circulation
in room.
3. Excessive
moisture in room.
1. Allow more time
for drying.
2. Increase air
circulation with fans.
3. Reduce external
air infiltration into
the room.
Unit
collects
minimal
water
1. Room air is dry.
2. Obstructed filter
and coils
3.Room
temperature
is too low.
1. Check humidity
with hygrometer.
2. Check filter and
coils. Clean as
necessary.
3. Increase room
temperature.
WARNING:
DO NOT attempt to rectify issues with unqualified
personnel.
If the problem you are experiencing is not listed
here, contact Global Industrial Customer Service.
CODE
ER1
ER2
ER4
Error
message
Coil sensor
error
Humidity
sensor error
Water pump
fault or
blockage
Display
Reading
Flashes every
one second
Flashes every
one second
Flashes
every one
second
Reason
1. The coil
sensor terminals
are not securely
plugged in.
2. The coil
sensor is
damaged.
3. If unsolved,
there may be a
display panel
PCB issue.
1. The humidity
sensor
terminals are
not securely
plugged in.
2. The humidity
sensor fault.
3. If is unsolved,
It may be
display panel
PCB issue
question.
Water is not
draining from
the pump
reservoir or
there is a
lack of power
to the water
pump.
Remedy
1. Verify coil
sensor terminal
is securely
plugged in.
2. Replace the
coil sensor.
3. Replace
display panel
PCB
1. Verify
humidity sensor
terminal
securely
plugged in.
2. Replace the
humidity sensor.
3.Replace
display panel
PCB
1. Make sure
maximum lift
is not
exceeded.
End of hose
should not
be higher
than 10ft.
above unit.
2. Check
pump for
debris or
blockage.
NOTE:
The table above shows error messages that the system may
detect. If the display shows an
“ER” message,
Unplug the unit and reinsert. This may reset the electronics, and
if issue is resolved, no further action is required.
If error message reappears, complete the following
troubleshooting steps under
“Explanation.” If this still does not
rectify the issue, contact Global Industrial customer service at
1-800-645-2986.
