OPERATION
61
8410D MM391 (6--05)
MACHINE TROUBLESHOOTING
Problem
Cause
Remedy
Excessive dusting
Brush skirts and dust seals worn,
damaged, out of adjustment
Replace or adjust brush skirts or
dust seals
Hopper dust filter clogged
Shake and/or clean or replace
dust filter
Vacuum hose damaged
Replace vacuum hose
Vacuum fan failure
Contact TENNANT service
personnel
Thermo Sentry tripped
Reset Thermo Sentry
Poor sweeping performance
Brush bristles worn
Replace brushes
Main and side brushes not
adjusted properly
Adjust main and side brushes
Debris caught in main brush drive
mechanism
Free drive mechanism of debris
Main brush drive failure
Contact TENNANT service
personnel
Side brush drive failure
Contact TENNANT service
personnel
Hopper full
Empty hopper
Hopper lip skirts worn or damaged Replace lip skirts
Wrong sweeping brush
Contact TENNANT representative
for recommendations
Problem
Cause
Remedy
FaST System does not operate FaST switch is set for
Conventional scrubbing
Set the FaST switch for FaST
system scrubbing
FaST circuit breaker tripped
Determine cause and reset the
10A circuit breaker button
Clogged FaST PAK supply hose
and/or connector
Soak connector and hose in warm
water and clean
FaST PAK carton is empty or not
connected
Replace FaST PAK carton and/or
connect supply hose
FaST system is not primed
To prime, operate the FaST solu-
tion system for 5 to 10 minutes.
Clogged flow control orifice/screen Remove and clean orifice/screen
Faulty pump or air compressor
Contact TENNANT representative
Clogged filter screen
Drain solution tank, remove and
clean filter screen
Faulty detergent timer module
Contact Tennant representative
FaST solution flow switch is off
Turn FaST solution flow switch on
Содержание 8410D
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