© MINOTAIR Ventilation Inc. - www.minotair.com
67
(PENTACARE-V12-OWNER'S MANUAL-2019-Rev-014)
Possible causes:
•
Fan start-up failure
due to
poor quality of electricity
.
•
Defective or disconnected ID1
sensor.
•
Defective or disconnected fan.
•
Defective controller.
1.
This is not cause for concern, unless the
problem is reported several times in a
row
2.
The microcontroller will cease all
operations, but will keep controlling
auxiliary units if applicable.
In this case,
it remains possible to trigger the
auxiliary heating or cooling systems by
manually setting the indoor
temperature setpoint. Note that the
displayed temperature and humidity
will be distorted by the fact that the
ventilation is stopped.
3.
Call a qualified technician if the problem
persists.
Possible causes:
•
Dirty filters.
•
Outside intake grille clogged.
•
Dirty coils.
•
Implosion of flexible ducts due
to negative static pressure.
•
Obstructed ventilation ducts or
improperly installed.
•
Ventilation duct diameters are
too small.
•
Supply or return grilles closed
or clogged.
1.
Check filters and outside intake and
outlet grilles. Replace or clean if needed.
2.
Microcontroller will cease all operations,
but will keep controlling auxiliary units if
applicable. In this case, it remains
possible to trigger the auxiliary heating
or cooling systems by manually setting
the indoor temperature setpoint. Note
that the displayed temperature and
humidity will be distorted by the fact
that the ventilation is stopped.
3.
Call a qualified technician if the problem
persists.
Possible cause:
•
Fans A and B are swapped.
1.
This is a problem which requires the
intervention of a qualified technician.
2.
Terminal Y3 controls Fan A (left) while
terminal Y4 controls Fan B (right).
