No plenum display when unit turned ON
Check whether the power is supplied to RV and
●
circuit breakers are on?
Check that the remote battery is OK?
●
Check whether the remote control is off ?
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"
"
Press DISPLAY on remote.
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Cooling not available
Check that the cooling mode is selected and the
●
plenum display shows
Use the remote control to set required temperature
●
below the current room temperature.
The compressor will delay a re-start for three
●
minutes.
Heating not available
Check that the heating mode is selected and the
●
plenum display shows
Use the remote control to set required temperature
●
above the current room temperature.
More time would be needed for starting heating under
●
extremely cold condition.
When the unit is in heating mode and the outside
●
temperature is very low the unit may automatically
enter defrost mode. The heating will temporarily stop
as the unit warms the outside coil to remove any frost
& ice. Heating will resume once the outside coil has
been cleared. During defrost the unit will display
" dF " .
Poor cooling capacity
To make sure the filter is clean.
●
Turn on the fan to high FAN to obtain the maximum
●
capacity.
Trouble Shooting Guide
.
"
"
"
"
.
Make sure all the doors and windows and the sunroof
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are closed.
Curtains and awnings can be used to decrease the
●
heating load.
Fault codes displayed on the panel
Communication fault
Room temperature sensor fault
Indoor coil temperature sensor fault
Outdoor coil temperature sensor fault
No cooling effect
Outdoor coil temperature too high
If there is " 0 " or a jumbled display while on
●
generator supply this may indicate unstable voltage
and current.
Before contacting Houghton for technical
support please collect the following information.
Are any error codes displayed ?
●
Is the display panel in normal operation or
●
not ? Does it display a temperature from 16
to 30℃?
Can you adjust the setting temperature when
●
in cool or heat mode?
Is there a "0" shown in the display?
●
Is the display showing a jumbled display?
●
When in fan mode is there any air flow from
●
the plenum outlets?
Can you hear the compressor starting or
●
stopping in heating or cooling mode?
Your help in collecting this information will
greatly assist the Houghton service team in
correcting any problems - Thank you.
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