FRÄNKISCHE profi-air 250/360 flex, Инструкция по установке и эксплуатации

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Installation and operating instructions profi-air 250/360 flex
86
Fault / problem Possible causes Checkup / measure
The ventilation unit keeps working,
however, there is no indication on
the internal control panel or the
optional wireless remote control.
The integrated control panel / the
optional wireless remote control is
in power saving mode.
Push any button on the integrated control panel / the optional
wireless remote control to leave the power saving mode.
Integrated control panel is
improperly connected.
Check cables and cable connections.
External control panel is defec-
tive.
Exchange the defective external control panel.
No voltage supply of the option-
al wireless remote control.
Voltage supply with batteries:
n
exchange batteries.
Voltage supply with USB cable:
n
check cables and cable connection.
Optional wireless remote control
is defective.
Exchange the defective optional wireless remote control.
The ventilation unit is out of
operation and there is no indica-
tion on the integrated control
panel.
No power supply applied.
Mains plug connected.
Check fuses on the control board:
n
replace defective fuses.
Verify output voltages on the control board:
n
exchange defective control board.
High supply air temperature in
summer
Automatic summer bypass
remains closed.
Temperatures are beyond the set limits:
n
adjustment of the summer bypass settings, see Section 5.
n
enable the manual summer bypass which will then remain
active for one hour.
Summer bypass flap has got
stuck.
Examine the summer bypass module and make the flap
movable again.
Motor of the summer bypass flap
is not working.
Check cables and cable connections.
Replace summer bypass motor.
In this section, you will find support for faults or problems without a fault report being displayed.
8.3 Faults (or problems) without reports