Dantherm HRV 5, Service Manual

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40
Fault finding guide
Fault finding Locate your problem in the left column and follow the instructions to the right:
Problem Cause Action
No reaction on remote controller Too long distance to
the unit and/or par-
ticularly thick walls
between the unit and
remote controller Reduce the distance
between the unit and
the remote controller
The unit is stopped and the screen
shows: The filter alarm has
been active for
more than 1000
hours’ operation Replace filters and
reset the filter alarm.
Se section ”How to
replace filters and re-
set filter alarm
” page
35
The unit is stopped and a buzzer starts
to sound from the remote controller
(acoustic signal). The screen displays
an arrow pointing away from the house
together with the fan icon and the warn-
ing triangle.
The fan icon and the arrow are flashing
Extract fan fault Contact a service
technician
The unit is stopped and a buzzer starts to
sound from the remote controller (acous-
tic signal). The screen displays an arrow
pointing into the house together with the
fan icon and the warning triangle.
The fan icon and the arrow are flashing
Supply fan fault Contact a service
technician
Continued overleaf