3. M
AINTENANCE
3.3
A
NNUAL
Check the exterior hoods; make sure there are no
leaves, twigs, ice or snow that could be drawn into
the vent. Clean if necessary.
Reinstall the door, plug back the unit and turn it on.
NOTE: The unit will return to its previous setting after a 20-second delay for
Reset the wall control.
4. T
ROUBLESHOOTING
Shock hazard. Never open the electronic box. No user-serviceable parts inside.
There is a fuse on the electronic board. Never attempt to replace it. Refer servicing
to qualified service personnel.
If the unit does not work properly, reset the unit by unplugging it for one minute and
then replug it. If it is still not working properly, refer to table below.
P
ROBLEMS
1
The error code E1 or E3 appears
on wall control screen.
2
Unit does not work.
(
'
)
CONT
D
M
(
AINTENANCE
CONT
boot sequence.
'
)
D
VQ0083
!
WARNING
Y
OU SHOULD TRY THIS
• Reset the unit by unplugging it for 30 seconds.
• If the problem is not solved,
contact your installer.
• See if the unit is plugged in.
• Check if the upper left port is free from
packaging material.
• See if the unit is receiving power from the
house circuit breaker or fuse.
15
VO0230