Biddle SensAir, Manual

Page: 69 / 208

S
ENS
A
IR
M
ANUAL
E
RRORS
Manual version 1.0- North America (13-09-2016) en-69
en
The unit has been switched off but
is still operating nevertheless. Only for electrically heated models: the
unit cools down automatically.
This is not an error. Normally, the
unit will automatically shut down
within 10 minutes.
The unit is switched on but is not
discharging any air. The fans may be switched off if
there is only a small difference in
temperature between indoors and
outdoors. This is not an error.
If this is considered a problem, the
value of function
42. Fan OFF tem-
perature can be set to zero.
The unit is not discharging much air.
(There is a draught) The inlet and/or discharge section is
blocked. Remove obstacles to the inlet and
discharge section.
The unit is set at too low a
strength. Switch the unit to a higher strength.
The filter is dirty. Clean or replace the filter.
Only for models with heating: The
heat exchanger has become dirty.
Clean the heat exchanger.
The unit is not heating or not heat-
ing sufficiently. The unit is set at too low a
strength. Switch the unit to a higher strength.
Only for water-heated models: The
central heating system is not work-
ing properly.
Check the central heating system.
• Check the connections.
• Check the operation.
• Check the capacity.
The control panel display is black. The control unit has no power sup-
ply. Check the mains supply:
• plug in the power socket,
• isolation switch,
The display is on, but does not
react to touch. If the
#
symbol is shown on the dis-
play: The display is locked.
Touch the screen for 5 seconds to
unlock it.
The display flickers The power supply is too low or not
constant Reduce the brightness of the display
to a level at which flickering no
longer occurs, via
menu > Preferences > Display
brightness
.
The unit blows out cold air (with-
out error message). The discharge temperature is
dependent on the outdoor and
indoor temperature This is not an error.
If this is considered a problem, the
value of function
6. Minimum air
temperature can be increased.
P
ROBLEM
P
ROBABLE CAUSE
W
HAT TO DO