Problem
Cause
Solution
Unit
has
no
power
1.
H
ouse
power
turned
off
(power
supply)
2.
Tripped
breaker
3.
The
power
cord
is
not
installed
properly
1.
Check
house
power
supply
2.
Check
proper
power
cord
connection
3.
Check
extension
cord
V
ent
is
not
working
-
Weak
or
no
ventilation
-
A
bnormal
noise
during
operation
-
P
roduct
overheating
1.
I
mproper
blower
unit
direction
or
installation
2.
I
mproper
ductwork
or
damper
connection
1.
Check
blower
unit
direction
and
reinstall
if
necessary.
2.
P
roperly
align
the
exhaust
ports
and
blower
plate
opening.
Slide
exhaust
adapter
into
guides
on
rear
panel.
Exhaust
A
dapter
Damper
(hinge
side
up)
Locking
Tabs
G
uides
3.
Blower
unit
exhaust
ports
should
be
completely
exposed
to
the
outside
4.
A
fter
installation,
check
the
air
ventilation
path
The
cost
of
repair
or
replacement
under
these
excluded
circumstances
shall
be
borne
by
the
consumer.
The following issues are not covered under the warranty:
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