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D) MOTOR PROTECTION SYSTEM
Bypass
Value
BYPASS VALVE
This vacuum cleaner has a motor protector bypass valve
which prevents motor overheating and damage.
The valve opens to provide cooling air when a clog or
full dust bin prevents normal air flow to the vacuum
cleaner suction motor.
You will notice a change of sound as air rushes through
the valve opening.
To correct problem empty dust bin (see EMPTYING
DUST BIN, page 14) or locate and remove the clog
(see CLOG REMOVAL, 19).
NOTE: The bypass valve may open when cleaning new
carpet due to reduced airflow caused by the new carpet
lint filling the dust bin quickly.
Note: Do not block bypass valve.
THERMAL PROTECTOR
This vacuum cleaner has a thermal protector which
automatically trips to protect the vacuum cleaner from
overheating.
If a clog prevents the normal flow of air to the motor, the
thermal protector turns the motor off automatically. This
allows the motor to cool in order to prevent possible
damage to the vacuum cleaner.
TO CORRECT PROBLEM:
Turn the vacuum cleaner off and unplug the mains lead
from the outlet to allow the vacuum cleaner to cool and
the thermal protector to reset.
Check for and remove clogs, if necessary (see CLOG
REMOVAL, page 19). Also check and clean/replace any
clogged filters and empty dust bin, if necessary.
Wait approximately fifty (50) minutes and then plug the
vacuum cleaner in and turn back on to see if the motor
protector has reset.
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