Table of Contents
Advertisement
36
Error
A B
C
Fault
code
12 R
2
E 12
Overheating
Any one of the
internal sensors,
is measuring a
temperature >
70 °C.
13 -
0
E 13
Communication
error / low signal
Only shown on
wireless remote
No wireless
signal
Wireless signal is
too weak
14 R
2
E 14
Fire alarm
Duct connected
fire thermostat
(Accessory)
Input is normally
closed (NC), but
now it is open
Maintenance and care: Trouble shooting
Action
Possible cause
required
Overtempera-
Check ventilation
ture caused
unit and surround-
by fire in- or
ings for fire
outside the ven-
tilation unit
Overtempera-
Check ventilation
ture caused by
unit and surround-
the combina-
ings for fire
tion of a pre- or
afterheater and
Check which sensor
too low airflow
is measuring a high
temperature. Check
for blocked air flow
and dirty filters.
If necessary, raise
minimum air flow
setting
Ventilation unit
Power on the venti-
is powered off
lation unit
Antenna not
Mount antenna
mounted on
unit
Remote is too
Move closer to the
far away from
ventilation unit
the ventilation
Mount antenna
unit
extension cable
Fire or smoke
Check for smoke
sensor connect-
or fire
ed to this input
is active
Check if sensor and
connection is OK
Nothing con-
Mount short circuit
nected to this
accessory
input
Reset
Alarm display
can be reset by
pressing alarm
button or by
powering unit
off/on.
However unit
cannot start be-
fore conditions
for alarm has
disappeared
Retry is every
5 minutes or
if a button is
pressed
Alarm display
can be reset by
pressing alarm
button or by
powering unit
off/on.
However unit
cannot start be-
fore conditions
for alarm has
disappeared
Hide quick links:
Advertisement
Table of Contents
