SQUEEGEE SYSTEM 25Service Manual – Advenger, 2800ST, 3800ST, BR 755, BR 855SQUEEGEE LIFT ACTUATOR CIRCUIT ERROR CODES AND MEASUREMENTS - ADVENGER / BR755, 855Advenger /BR 755, 855DisplayError CodeST ServiceLEDBlink CodeFault Description Troubleshooting Action6 NA Squeegee lift actuator overload1. Check for binding or frozen squeegee lift linkage andexcessive weight on squeegee.2. Check for short circuit in wiring or actuator motor.Repair or replace.34 NA Squeegee lift actuator open1. Check for disconnected actuator wiring, open in wiring ordefective actuator motor. Repair or replace.2. Check controller output voltage at BLK/YEL wire.Actuator Nominal Current (A) Overload Current Wire ColorsM3 2.5 - 3.5 5A for > 4 seconds BLK/YEL & WHT/GRNTroubleshooting Squeegee IssuesProblem Possible CauseNot enough adjustment of squeegee tool by turning adjustmentknobSqueegee Mount Weldment Bracket is bent. ReplaceSqueegee is “hopping” Wheel isn’t making contact with the floor - reposition wheel in slot on squeegeetool. Refer to “Squeegee Adjustments” section.Squeegee tips are being driven into the floor Adjust squeegee using Adjustment Knob turning CW to raise tips.Advenger / BR 755, 855Lift motor runs in both directions but does not raise or lowerthe squeegee tool assembly1. 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 faultcodeLift motor electrical system failure - refer to chart in “Main Controller ErrorCodes” for service actions.STSqueegee lift Linkage Arm at steering column keeps bendingor breakingSqueegee Lift Cable is too tight - follow instruction in “Squeegee Lift CableAdjustment - ST” section.Squeegee lift Linkage Arm / Knob doesn’t raise or lowersqueegeeCable Bushing under Eyelet of Squeegee Cable in Steering Column is worn orWeldment Linkage is bent/sheared because Squeegee Lift Cable is too tight.Follow instruction in “Squeegee Lift Cable Adjustment - ST” section.
