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45
TROUBLESHOOTING (cont.)
If conditions persist after the above remedies have been taken, turn the unit off,
unplug the power cord from the power supply outlet, and contact your MovinCool
dealer or a qualified technician.
Condition
Troubleshooting - Table 3
Check
Area
Possible
Cause
Remedy
Unit does
not
operate at
all.
LCD
displays
notification.
KEY
LOCKED
Buttons on the
control panel
are locked.
Press and hold MENU/ESC button
for 5 seconds to unlock.
EXTERNAL
THERMOSTAT
ACTIVATED
Status is
changed to
control by an
external
thermostat.
Operate the unit by an external
thermostat.
(See page 30.)
LCD
shows
normal, but
unit does
not start.
Set point
temperature
Room
temperature
reached the set
point
temperature
and the unit is
stopped.
Adjust the set point temperature.
No low fan
speed
during
HEAT
mode
operation.
Fan speed
LO is
automatically
changed to
MID.
Room
tempera-
ture
Room
temperature is
higher than
68 °F (20 °C)
during heating
operation.
Feature to prevent high pressure
protection activation.
No hot air
during
HEAT
mode
operation.
LCD
display
shows
HEAT
mode, but
operates in
COOL
mode.
Fuse (F1) Fuse (F1) is
blown.
Contact your dealer or a qualified
technician.
Reverse
valve
Reverse valve
failure
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