Installation and operating instructions profi-air 250/360 flex
81
8.2.2 Fault clearance E1 to E2 fans
To correct the fault, profi-air flex has to be opened in a “live” state which may be done by authorised and
qualified personnel only. In addition, applicable local regulations and safety provisions must be complied
with.
Replacement of the control board and/or fans is to be carried out by authorised and qualified personnel
and in the “dead” state of the device only. In addition, applicable local regulations and safety provisions
must be complied with.
Error message fans
Error message integrated control panel
flashing red LED
flashes once / extract air fan
flashes two times / supply air fan
profi-air cockpit app or wireless remote control error message
E1 / extract air fan
E2 / supply air fan
n
Unhinge the filter cover
n
Remove the device cover
n
Remove the control board cover
Fans properly
connected
to the
J6 and J16 and J7 and J17
clamps? Check connection
for broken cable
and corrosion
Yes
Note:
Select “Manual operation” and
“Ventilation mode 3” to carry out the following
measurements.
Connect the fans properly
Replace fan
Replace control board
Cut the
voltage supply
Cut the
voltage supply
Cut the
voltage supply
Are 230 VAC
applied to the fan?
Check the J6 and J7
clamps on the
control board
Yes
No
No
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