Nilfisk-Advance BR 1100S Service Manual

Also see for 56413006: Instructions for use Instructions for use - original instructions

Contents

Nilfisk-Advance BR 1100S Service Manual Manual pdf 42 page image

40 - FORM NO. 56043122 - BR 1100S, 1300S6 - WHEEL DRIVE SYSTEMLow Current controller A1 Pin Key DetailPin # Wire Color Controller Pin Description & Function1 - Open not used2 ORN/RED Fault 1: Controller fault output to operator control panel chemical LED status display.3 YEL/RED Rev direction/Back-up alarm. Auxiliary Driver output: Battery ( ) commands, turns offsolution, raises squeegee and sounds back-up alartm.4 BLK/YEL Main Contactor Driver: Battery (-) output to main contactor K7.5 VIO/BLK Throttle pot R1 Pot. High (+)6 BRN/RED Throttle pot R1 wiper input7 WHT/BLK Throttle pot R1 Pot. Low (-)8 RED/WHT Motion Auxiliary Driver: Battery (-) output signal to main controller (A2) to turn on (activate)all auto scrub functions.9 BLK/WHT Mode Select 2 input: Battery (+) (reference Speed Control “TABLE 5”) closed10 - Open not used11 - Open not used12 - Open not used13 - Open not used14 BLU/BLK Mode Select 1 input: Battery (+) (reference Speed Control “TABLE 5”) closed15 GRNInterlock: Seat switch (S2) input battery (+) to activate the main contactor driver pin 4output to the K7 contactor. Note: With battery roll-out (option) the S3 interlock is wired inseries with S2 & must also be closed.16 ORN KSI (key switch input): Battery (+) output powers up controller logic circuits.Speed Control (TABLE 5)PIN 9Select 2(A2 input)PIN 14Select 1(A2 input) EFFECTLOW – 0V LOW – 0V Transport Mode (Mode #1)HIGH – 36V LOW – 0V Scrub Mode (Mode #2)LOW – 0V HIGH – 36V Traction Mode (Mode #3)HIGH HIGH N/AWHEEL DRIVE TROUBLESHOOTING GUIDEProblem Possible Cause• Wheel drive motor will not run in forward and reverse. • Batteries need charging (low battery voltage, recharge batteries)• Control Circuit Circuit Breaker (F1) tripped (reset circuit breaker)• Parking Brake (6) set (release parking brake)• Emergency Stop Lever (12) tripped (reconnect)• Safety Switch (S2) in seat not closed (check seat switch)• Defective Battery Roll-out Interlock Switch (S3) (adjust/replaceswitch)• Defective Wheel Drive Motor (replace motor) *• Defective Potentiometer Throttle (R1) (replace pot throttle) *• Defective Main Contactor (K7) (replace main contactor) *• Wheel drive in one direction only, loss of either forward orreverse.• Controller can’t change electrical polarity to wheel motor atterminals S1 & S2 (field). Replace the (A1) speed control.• Hourmeter/status display shows an error 03 fault code. • Speed controller has sensed an operation error code fault. (see theStatus LED Fault Codes (TABLE 1) in the Electrical System)* = See Curtis Speed Control Troubleshooting Section.