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5. troUblesHootinG
8
PROBLEMS TRY THIS
1. Nothing works. • See if the unit is plugged in.
• See if the unit is receiving power from the house
circuit breaker or fuse.
2. An error code starting with E0
(E01, E02, etc.) is
displayed on VT9W wall control
screen.
• Ensure that the color coded wires have been connected
to their appropriate place.
• Ensure that the wires are correctly connected.
• Press and hold simultaneously for 10 seconds on %
HUM, MODE and TURBO keys to reset the wall control.
The user preferences will have to be reset.
3. An error code starting with E2
(E21, E22, etc.) is
displayed on VT9W wall control
screen.
• Problem with the ventilation unit.
Contact your installer.
4. A 10-second countdown is dis-
played on VT9W wall control
screen.
• Wait until the end of the countdown,
without pressing any key.
5. The snowflake icon is flashing on
VT9W wall control screen.
• The ventilation unit is in Protection mode; it will get out
of this mode by itself.
• If this situation occurs regularly, or when outdoor
temperature is higher than -4°F, contact your
installer.
6. Condensation on windows
(air too humid).
• Operate the unit on TURBO or CONT mode until the situa-
tion is corrected.
• Leave curtains half-open to allow air circulation.
• Store all firewood in a closed room with a dehumidifier
or in a well ventilated room, or store the wood
outdoors.
• Do not adjust the thermostat of your heating system
below 64°F.
7. Inside air too dry. • Temporarily use a humidifier.
• Operate the unit in 20 min/h mode or in RECIRC
mode.
8. Air too cold
at the air supply grille.
• Check if the exterior hoods are not blocked.
• Operate the unit in 20 min/h mode or in RECIRC mode.
• Install a duct heater.
9. The VT9W main control does
not work.
• The 30-second boot sequence is not
completed. See Section 2 on page 4.
• A VBATHW push button auxiliary
control is in use. See Section 3 on page 4.
• The protection mode overrides the VT9W operation
(snowflake icon). Refer to point 5.
If the unit does not work properly, reset the unit by unplugging and then replug it. If it
still not working properly, refer to table below.
VQ0140
If the problem is still not solved, call your installer or the nearest approved Service
Center. Also, you can reach the Customer Service Department at the following phone number:
1-877-862-7626.
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