OPERATION
24
Tennant T600 EE (04-2018)
SERVICE INDICATOR CODES - Continued
LED Fault Code
☼
= Flashing
CAUSE
SOLUTION
☼
S S
☼
S
Battery watering pump wiring, connector or control
board problem
Contact service
☼
S S
☼☼
Brush motor 1 over current
Brush motor 1 over current
Brush motor 1 over current
Brush motor 1 over temp fault
Brush motor 1 short fault
Check pad for floor type. If fault repeats
contact service.
Contact service
☼ ☼
S
☼☼
Brush motor 2 over current
Brush motor 2 over current
Brush motor 2 over current
Brush motor 2 over temp fault
Brush motor 2 short fault
Check pad for floor type. If fault repeats
contact service.
Contact service
☼
S
☼
S
☼
Start bail is pulled or obstructed before turning
machine on.
Release start bail or remove bail obstruction
before turning machine on.
☼
S
☼ ☼
S
Brush motor 1 control board fault
Brush motor 2 control board fault
Actuator motor control board fault
Solution valve control board fault
Vacuum motor control board fault
Unplug battery cable connector from battery
battery pack and contact service to replace
control board.
☼
S
☼ ☼☼
Vacuum motor over current
Vacuum motor shorted fault
Check for obstruction. Contact service.
☼ ☼ ☼
S
☼
Scrub head imbalance
Check brush wear. Contact service.
S
☼ ☼ ☼
S
Charger communication fault
Scrub control board communication fault
Restart. If fault repeats, contact service.