TTL air curtain systems - Control and automation panel UBT
plus
46
12. Malfunctions (cont.)
12.1 Fault visualization (cont.)
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of the fans are connected in serie (common fault message). In case of a fan/motor fault please contact your
service company or the TTL service. Remedy the cause of the error and unlock via the OFF(0) key.
12.2 Fault clearance
Fault
Possible cause
Remedy
The air curtain systems cannot
be switched on; no function is
detectable.
The green LED on the OFF key
(0) signalising readiness of the
system is not illuminated.
-No mains voltage available
-Ensure power supply.
Should fuses be defective, find the cause and
remedy it prior to switching it on again
Air curtain system is operating,
but does not provide the requi-
red air volume.
-Fan speed too low
-Air filter contaminated
-Select a higher speed stage
-Check for contamination of the air filter,
replace it if necessary
Air curtain system is in operati-
on, exiting air is (too) cold.
-No heating system available
-Existing solenoid valve is de
fective or closed
-Existing thermostatic control
valve is defective
-Switch on heating or ensure heating medium
supply
-Check the solenoid valve and control system
-Check the thermostatic control valve
-Set the control to the WINTER mode setting
Air curtain unit signaled frost
alert
-really occurring tempera-
tures at the heating battery
are lower then +5 °C, com-
bined with a fault of heating
system or incorrect operation
by switching ON of SUMMER
mode (thereby the seloid valve
will be close)
-Remedy the interruption in heating system
-Check the switching status SUMMER/WINTER
mode
-Quit frost alert in acc. to adjustment in
menu 3.3 (Basic settings -
Aut.start after
frost)
It is advised to check the complete air
curtain unit for possibly emission of
water after a frost alert and a following
normalization of heating supply!
Note: The electronic controller UBT
plus
prevents the uncontrolled switch-on of
the air curtain device after a main voltage failure accordance to EU-MR 2006/42/
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For restart the controller UBT
plus
is to switch-off with OFF(0) key and following
to restart by preselect of a mode range by pressing a button.
Fan fault
To avoid a demage don‘t set the air curtain system in operation
without consultation of the manufacturer TTL.
