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

Страница: 79 / 108

Installation and operating instructions profi-air 250/360 flex
79
8 Faults
If a fault occurs, please write down the flashing code displayed on the internal control panel or the error code displayed in the profi-
air cockpit app or on the optional wireless remote control and contact your specialist technician.
In case a fault is present in the profi-air 250/360 flex ventilation unit or the voltage supply has been inter-
rupted, no sufficient air exchange is provided. This can cause humidity- and mould-related problems.
Please contact your specialist technician in this case.
n
Via the fault report indicator on the integrated control panel
n
As an error code in the profi-air cockpit app
n
As an error code on the optional wireless remote control
In the following sections, the different errors as well as faults (or problems) without a message will be described in more detail.
This section lists the individual fault reports.
Fault report
integrated control panel
profi-air cockpit app or wire-
less remote control fault
report
Possible cause Control response
Flashing orange LED and acous-
tic signal on the ventilation unit
Flashing filter replacement indi-
cation
Filter replacement interval has
expired.
The unit keeps working as
usual, however, the power
consumption is higher and
noise pollution may occur.
Flashing red LED and acoustic
signal on the ventilation unit
Flashes once
Flashes two times
E1 / extract air fan
E2 / supply air fan
Fans are improperly connect-
ed or defective.
Unit stops operation
completely.
Flashing red LED and acoustic
signal on the ventilation unit
Flashes three times
E3 / summer bypass
If the error occurs during winter
months, the air volume balance
between supply and extract air
is not correct.
The unit keeps working as usu-
al, however, the summer
bypass remains in the last posi-
tion. As a result, the supply air
temperatures can be too low in
winter and too high in summer.
Summer bypass flap has got
stuck.
Motor of the summer bypass
flap is defective.
Flashing red LED and acoustic
signal on the ventilation unit
Flashes four times
Flashes five times
E4 / fresh air sensor (T1)
E5 / supply air sensor (T2)
Temperature sensors (T1 and/
or T2) improperly connected or
defective.
The unit keeps on working, yet
in a fail-safe state (fail-safe
mode 1), corresponding to the
normal operation but without
bypass function.
Flashing red LED and acoustic
signal on the ventilation unit
Flashes six times
Flashes seven times
E6 / extract air sensor (T3)
E7 / exhaust air sensor (T4)
Temperature sensors (T3 and/
or T4) improperly connected or
defective.
The unit keeps working, yet in
a fail-safe state (fail-safe mode
2) – very low fan speed.
A fault in the profi-air 250/360 flex ventilation unit is displayed as follows:
Troubleshooting activities must be carried out by authorised and qualified personnel and in the “dead”
state of the device only, unless otherwise expressly described. In addition, applicable local regulations and
safety provisions must be complied with.
8.1 Fault reports