•
Review with the user the steps required for the regular maintenance of her/his ventilation system. These steps are
described in detail in the user manual:
•
Warn the user of the necessity to rebalance the system following a major house renovation or following the
installation of any extra registers.
•
Make sure the user understands how to use the main control as described in the user manual.
12. Maintenance / Instructions for User
FOUR TIMES A YEAR:
•
Inspect the intake hood, and clean if needed.
•
Clean the filters.
•
Clean the interior of the cabinet and clean the door.
•
Clean the condensation tray and inspect the drain tubing (SOLO only).
ONCE A YEAR:
•
Clean the recovery module (core or thermal wheel).
•
Clean the blades of the blower wheels if needed.
WARNING
Risk of electrical shocks. Before performing any maintenance or servicing, always disconnect the
unit from its power source.
!
CAUTION
Do not oil the motor. It is already permanently lubricated.
NOTE:
Be sure to unplug and inspect the unit before proceeding with these steps.
13. Troubleshooting
Problems
Possible causes
You should try this
1. The error code E1 is
• The wires may be in
• Ensure that the color coded wires have been connected
displayed on Altitude
reverse position.
to their appropriate places.
wall control screen.
• The wires may be broken. • Inspect every wire and replace any that are damaged.
• The wires may have a
• Ensure the wires are correctly connected.
bad connection.
2. There is no outside
• The unit thermistor
• Replace the unit thermistor.
temperature displayed
is defective.
NOTE: At its very start-up or after a power failure, it takes
on Altitude
some minutes before the outside temperature
wall control screen
appears on screen. The delay duration depends on
.
which operation mode the wall control is set. The
shortest delay is obtained when the wall control is
set on MIN or MAX in VENT Mode.
3. Altitude wall
• The Altitude wall
• Replace the Altitude wall control.
control screen
control is defective.
alternates between
normal display and E3.
4. Altitude wall
• The Altitude wall
• Replace the Altitude wall control.
control screen
control is defective.
alternates between
normal display and E4.
5. Unit doesn't work.
• The circuit board may
• Unplug the unit. Disconnect the main
be defective.
control and the optional(s) control(s) (if
need be). Jump
B
and
G
terminals. Plug
the unit. If the motor runs on high speed
and the damper opens, the circuit board
is not defective.
• The power cord fuse
• Unplug the unit. Unscrew the fuse holder
may be blown.
(grey circle on illustration beside). Check if
the fuse is blown (the strand is broken). If it
is blown, replace the fuse according to the
specifications on the unit power cord tag.
VE00
8
2
B
G
VE0194
27
