Innova HRW DOMO, Installation, Use And Maintenance Manual

Page: 31 / 34

Innova S.r.l.
Pag. 31 N420229A_ManualHRW_rev2.en.docx
8 ALARMS
8.1.1 GENERALITY'
In case of problems or failures, take note of any error code appeared on the display of the electronic control unit or the remote
control, make a note of the model and the serial number of unit you have (present on the nameplate attached on the side of the
unit) and contact your installer.
8.1.2 PROBLEMS WITHOUT ERR OR INDICATION ON DISPLAY
Problem Causes Remedies
Display off No power
(Off light switch)
Check the connection to the electricity grid
Check and if necessary replace the fuse on the power
supply connector (black) on the side of the unit.
Air flow Little or no
The premises remain
wet
clogged filters Replace the filters
exchanger plugged Clean the heat exchanger
ice cream exchanger Bring the heat exchanger in a warm place and wait for it
to thaw, do not heat with direct heat.
dirty Fan Clean the fan
Ducts fan clogged Clean the ventilation ducts
Outside temperature below 0 ° C The unit could be in antifreeze mode, wait until the
outside temperature rises or provide for the installation
of an electric heater for pre-heating.
Noise level high Noise coming from the Verify the presence of cracks and / or air leaks from the
unit panels
Check the siphon connection
Verify if the engines are running properly (bearings)
Noise coming from the pipes Verify the presence of cracks on the suction ducts / entry
/ expulsion
Vibrations
Elevate
Panels that vibrate Verify the integrity of the panels and the unit in
aluminum profiles
Check the correct closure of the lid unit and the panel
that covers the electronic card
Check that there are no walls that can transmit vibrations
to the wall / floor / ceiling
Pale of unbalanced fans Check the integrity of the blades
Clean fans
Check that the fans are still present small metal clip for
balancing the blades
Loss of condensate Condensate drain clogged Clean the condensate drain
The condensate does not flow from the
exhaust pipe into the collection tray Verify that the unit is perfectly flat
Check that the condensate drain connections are clogged