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English - 15
Troubleshooting Guide
(Continued)
PROBLEM POSSIBLE CAUSE SOLUTION
Dehumidifier runs
but humidity level
does not decrease
The machine was tilted and wasn’t
positioned upright for enough time
before use.
Position the machine upright on a
level surface and wait for at least
4 hours before next use.
The air filter or air inlet/outlet is
blocked.
Remove blockage.
The environment temperature is
too low/high or the humidity level
is too low.
The dehumidifier is designed to
work in an environment with a
temperature of 33 °F to 105 °F
(0.6 °C to 40.6 °C) and relative
humidity level of 20% and higher.
Make sure the room temperature/
humidity does not exceed this
range.
Water on the floor The drain hose is loose. Tighten the connection of the
drain hose.
Sudden noise The machine starts drainage
process.
The water pump can create
sounds during operation. This is a
normal sound.
Error Code: E2 Failure of the temperature sensor. The dehumidification can function
but you won’t be able to see the
temperature/humidity on the
screen. Contact MasterForceTM
for more assistance.
Error Code: E3 Failure of the humidity sensor.
Error Code: E4 Failure of the water pump Contact MasterForceTM for more
assistance.
The machine is not positioned
levelly.
Position the machine on a level
surface.
The drain hose is blocked. Remove blockage.
Error Code: E5 Failure of the defrost sensor. The dehumidification can
function but will defrost for 5
minutes every half an hour.
Contact MasterForceTM for more
assistance.
If troubleshooting does not resolve your problem, please contact MasterForce
TM
or other parties
authorized by MasterForce
TM
for further instructions.
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