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LGR Dehumidifier Low-Grain Refrigerant
TROUBLESHOOTING
ISSUE
CAUSE
Unit does not
No power to machine.
operate.
Unit not powered on.
Fan not working.
Obstructed air outlet
or fan.
Unit is operating,
1. Insufficient
but room is not dry.
Dehumidifying time.
2. Poor air circulation
in room.
3. Excessive moisture
in room.
Unit collects
1. Room air is dry.
minimal water.
2. Obstructed filter
and coils.
3. Room temperature
is too low.
WARNING:
DO NOT attempt to rectify issues with unqualified personnel.
If the problem you are experiencing is not listed here,
contact Global customer service.
145 Pints Per Day Water Pump
SOLUTION
Plug in unit. Check
power at outlet and base
of unit. Power unit on.
Remove obstruction.
1. Allow more time for
drying.
2. Increase air
circulation with fans.
3. Reduce external air
infiltration into room.
1. Check humidity with
hygrometer.
2. Check filter and coils.
Clean as necessary.
3. Increase room
temperature.
TROUBLESHOOTING
The table below 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
your local authorized service center.
CODE
ER1
Error
Coil sensor
message
error
Display
Flashes every
Reading
1 second
1. The coil
sensor
terminals are
not plugged in
securely.
2. The coil
Reason
sensor is
damaged.
3. If issue is
unresolved
it may be a
display panel
PCB issue.
1. Verify
coil sensor
terminal is
securely
plugged in.
2. Replace coil
Remedy
sensor.
3. Replace
display panel
PCB.
6
Instruction Manual
Fault Codes
ER2
ER4
Humidity
Water pump
sensor error
fault or
blockage
Flashes every
Flashes every
1 second
1 second
1. The
Water is not
humidity
draining
sensor
from the pump
terminals are
reservoir or
not plugged in
there is a lack
securely.
of power to the
2. The
water pump.
humidity
sensor is
damaged.
3. If issue is
unresolved
it may be a
display panel
PCB issue.
1. Verify
1. Make sure
humidity
maximum lift
sensor
is not
terminal is
exceeded.
securely
End of
plugged in.
hose should
2. Replace
be no
humidity
higher than 10
sensor.
feet
3. Replace
above unit.
display panel
2. Check pump
PCB.
for
debris or
blockage.
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