SQUEEGEE SYSTEM 25Service Manual – Advenger, 2800ST, 3800ST, BR 755, BR 855
SQUEEGEE LIFT ACTUATOR CIRCUIT ERROR CODES AND MEASUREMENTS - ADVENGER / BR
755, 855
Advenger /
BR 755, 855
Display
Error Code
ST Service
LED
Blink Code
Fault Description Troubleshooting Action
6 NA Squeegee lift actuator overload
1. Check for binding or frozen squeegee lift linkage and
excessive weight on squeegee.
2. Check for short circuit in wiring or actuator motor.
Repair or replace.
34 NA Squeegee lift actuator open
1. Check for disconnected actuator wiring, open in wiring or
defective actuator motor. Repair or replace.
2. Check controller output voltage at BLK/YEL wire.
Actuator Nominal Current (A) Overload Current Wire Colors
M3 2.5 - 3.5 5A for > 4 seconds BLK/YEL & WHT/GRN
Troubleshooting Squeegee Issues
Problem Possible Cause
Not enough adjustment of squeegee tool by turning adjustment
knob
Squeegee Mount Weldment Bracket is bent. Replace
Squeegee is “hopping” Wheel isn’t making contact with the oor - reposition wheel in slot on squeegee
tool. Refer to “Squeegee Adjustments” section.
Squeegee tips are being driven into the oor Adjust squeegee using Adjustment Knob turning CW to raise tips.
Advenger / BR 755, 855
Lift motor runs in both directions but does not raise or lower
the squeegee tool assembly
1. Threads in the moveable lift motor assembly drive tube are damaged
(stripped).
2. Lift cable damaged (stretched or broken).
Lift motor does not run and the display shows an error fault
code
Lift motor electrical system failure - refer to chart in “Main Controller Error
Codes” for service actions.
ST
Squeegee lift Linkage Arm at steering column keeps bending
or breaking
Squeegee Lift Cable is too tight - follow instruction in “Squeegee Lift Cable
Adjustment - ST” section.
Squeegee lift Linkage Arm / Knob doesn’t raise or lower
squeegee
Cable Bushing under Eyelet of Squeegee Cable in Steering Column is worn or
Weldment Linkage is bent/sheared because Squeegee Lift Cable is too tight.
Follow instruction in “Squeegee Lift Cable Adjustment - ST” section.
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