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period of between 1 and 9 hours, after activating this function. Press the key
and the display will show 1h, 2h, ... 9h. Stop pressing the value of hours you want
and wait 5 seconds for the display to return to showing the chosen temperature
value.
Lighting key
(remote control only):
Turns the white and red lamp on/off.
6. Fault Messages
While on, the control panel will automatically display the faults that may occur
according to the acronyms presented in the "Fault" column of the table below,
except for the Ope and SHr faults.
OPERATION
DESCRIPTION
SYMPTOM
FAULT
E2
Compressor fan
Compressor motor was
overload. Lack
running and stopped,
of phase or short
turning off the
between phases
compressor.
in the compres-
Device does not turn
sor fan.
on or turns off during
operation.
E3
Compressor motor
Blocked rotor
tries to start but fails.
E4
Device turns off.
Battery voltage
Permissible voltage
below 19V (24V)
range 19V - 32V
and below 9,5V
(24V) and 9,5V -
(12V)
15V (12V).
CAUSE
Discharge pressure too high.
Problem with the condenser fan (check fuse).
Very dirty condenser.
Defective or improperly tightened compressor
cable terminals.
Shorted or open compressor motor winding.
Internal breakage of the compressor or problem in the
main electrical connectors.
The battery needs to be recharged or defective battery.
LU
Device turns off. To
Programmed
connect again, you
cut-off voltage
need to erase the
has been
fault. Turn it off and
reached.
on to work again.
"ti" sensor, the fault
is indicated directly
on the display.
Sensor "to", there
Temperature
is no automatic
OP
sensor/Sensors
indication.
open.
Press the keys
and
5 seconds to
display OP.
ti" sensor, the fault
is indicated directly
on the display.
Sensor "to", there
Temperature
is no automatic
SH
sensor/sensors
indication.
shorted.
Press the keys
and
for 5 seconds to
display SH.
The AC doesn't
cool down enough.
Possible lack of
Temperature
rF
refrigerant fluid.
difference of less
than 5°C for at least 3
minutes.
Evaporator
temperature less than
Evaporator coil
dF
or equal to 2°C
freezing.
Compressor turns on
and off.
Evaporator fan
EF
Fan not working.
failure.
Programmed voltage value. Switches off the appliance to
preserve the battery.
Value programmed at the factory 21.5 V(24V) and
9,5 V (12V).
Sensor disconnected.
Sensor electrical circuit open.
"ti" sensor - The appliance continues to work, and
the compressor speed goes to the highest speed in
the chosen mode.
Sensor "to" - The appliance continues to work, but
for
the evaporator coil may freeze without the dF fault
being displayed.
Short-circuited sensor.
Sensor electrical circuit short-circuited.
"ti" sensor - The appliance continues to work, but
the compressor speed goes to the highest speed in
the chosen mode.
Sensor "to" - The appliance continues to work, but
the evaporator coil may freeze without the dF fault
being displayed.
There may be a partial or total lack of refrigerant
fluid. The condenser fan must be running*. Check
for more details on page 28.
If the evaporator temperature drops to 2°C or less,
the compressor will be switched off and dF will be
shown on the display. The compressor will stop
running until the temperature rises to 6°C. Check
for more details on page 28.
Fan stuck or short-circuited.
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