If You Have A Problem; Clearing Blockages; Thermal Protector - Hoover Wind Tunnel Operating Instructions Manual

4 9
C

Clearing blockages

Disconnect cleaner from electrical
outlet.
Low suction or pick up may be due
to a blockage in the system. Refer
to the following steps to check for
blockages continuing with each
step until the blockage is found:
1. Check fullness of filter bag;
change if needed.
2. Plug cleaner in and turn
4 9
ON. Check for suction at end
of hose (A).
a. If there is suction, turn cleaner
OFF and continue with step 3.
b. If there is no suction, turn clean-
er OFF and check for blockage in
hose and dirt tube as follows:
1) Disconnect hose from dirt duct
(C) by reversing pro c e d u re for
"Attach hose" on pg. 3 Fig. 7 and 8.
2) Clear out hose
3) Look into (C) and remove any
b l o c k a g e
3. Check connection at hose tube
(B); remove any blockage.
4. Turn cleaner OFF and unplug.
5 0
A
B
5. Remove bottom plate, belt and
agitator (see "The belt" section).
Look into opening (D) for
5 0
blockages and remove.
6. Remove agitator shield (see Fig.
44) and remove any loose debris
which may have accumulated under
it.

Thermal Protector

An internal thermal protector has
been designed into your cleaner to
protect it from overheating.
When the thermal protector acti-
vates the cleaner will stop run-
ning. If this happens proceed as fol-
lows:
1. Tu rn cleaner OFF and disconnect
it from the electrical outlet.
2. Check secondary and final filters
for dirt accumulation.
3. Refer to "Clearing blockages"
s e c t i o n .
4. When cleaner is unplugged and
motor cools for 30 minutes, the ther-
mal protector automatically resets
and cleaning may continue.
If the thermal protector continues to
activate after following the above
steps, your cleaner may need ser-
vicing (see "Service" section).
If you have a pro b l e m
If a minor problem occurs, it usually
can be solved quite easily when the
cause is found by using the check
list below.
Problem: Cleaner won't run
D
Possible cause
Possible solution
• Not firmly plugged in
• Plug unit in firmly
• No voltage in wall plug
• Check fuse or breaker
• Blown fuse or tripped breaker
• Replace fuse or reset breaker
• Thermal protector activated
• Allow cleaner to cool for 30 minutes
(this will reset the thermal
p ro t e c t o r )
Problem: Cleaner/tools won't pick up
Possible cause
Possible solution
• Broken or worn belt
• Replace belt
• Agitator brush roll worn
• Replace brush roll
• Cloth/paper filter bag full
• Empty/change filter bag
• Incorrect carpet height setting
• Move nozzle control knob to lower
setting
• Blockage in air flow passage
• Clear blockage
Problem: Cleaner hard to push
Possible cause
Possible solution
• Incorrect carpet height setting
• Move nozzle control knob to lower
setting
11