6.General Troubleshooting
1
2
3
4
5
No
.
Fault
Phenomenon
Fault
Cause
Elimination
Methods
No
response
by
pressing
any switch
(
e
.
g
.
impeller
does
not rotate
,
lighting lamp
is
not
on
)
Power
plug
is
not
well
connected
or
power
outage
Well
connect
the
power
plug
Press
the
lighting
switch
but
the lighting
is
off
Lighting
lamp
is
broken
or
power
plug
is
not
well
connected
Replace
lighting
lamp
or
well
connect
the
power
plug
There
is
induced
electricity
on the
surface
of
machine
body
,
hand numbness
Power
socket
is
not
well grounded
Use
single
phase
tripolar
socket
for
well
ground
abnormal
sound
when impeller
is
rotating
Impeller
is
loosened
,
set
screw
of
impeller
is
not
tightened
Tighten
the
set
screw
of impeller
Oil
dripping
at
rear
back
of
hood
Oil
cup
is
not
assembled
in
place
after
disassembly
for
cleaning
Assemble
the
oil
cup
in place
7.Product decomposition diagram
HH-DTS1
19