
OPERATION
Tennant 5300 (03–98)
34
MACHINE TROUBLESHOOTING
Problem Cause Remedy
Trailing water – poor or no water
pickup
Worn squeegee blades Rotate or replace squeegee
blades
Squeegee out of adjustment Adjust squeegee
Vacuum hose clogged Flush vacuum hoses
Recovery tank full Drain recovery tank
Vacuum fan will not turn on Drain recovery tank
Reset vacuum fan circuit breaker
Debris caught on squeegee Remove debris
Foam filling recovery tank Empty recovery tank; use less or
change detergent
Vacuum hose to squeegee or
recovery tank disconnected or
damaged
Reconnect or replace vacuum
hose
Recovery tank float screen
clogged
Clean screen
Recovery tank cover not closed
completely
Close cover
Little or no solution flow to the Solution tank empty Fill solution tank
floor
Solution switch off Turn switch on
Solution control cable broken or
out of adjustment
Replace and/or adjust cable
Solution flow knob turn off Turn solution flow knob on
Solution supply lines plugged Flush solution supply lines
Solution solenoid clogged or
stuck
Clean or replace
ESt mode: ESt switch off Turn ESt switch on
Poor scrubbing performance Debris caught on scrub brushes Remove debris
Improper detergent, brush, or
pad used
Check with representative for
advice
Worn scrub brush or pad Replace scrub brush or pad
Scrub brush motor circuit
breaker tripped
Reset circuit breaker
Adjust scrub brush down
pressure, check with
representative for advice
Low battery charge Charge batteries
Low scrub brush down pressure Adjust scrub brush down
pressure, check with
representative for advice
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