Nilfisk-Advance SR 1900 Troubleshooting Manual

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Nilfisk-Advance SR 1900 Troubleshooting Manual Manual pdf 50 page image

50 - FORM NO. 56043129 - SR 1900SOLUTION SYSTEMTROUBLESHOOTING GUIDETroubleshooting GuideSymptomMisting pump will not workPart B: Electrical Load CircuitNote 1: Do all testing with the key switch ON, misting solution tank not empty, main broomlever lowered, drive pedal activated in Fwd or Rev and the M4 misting pump’s control switchS26 turned ON.Note 2: Before T.S.check the continuity of the pump’s circuit breaker CB 7 (10A), reset orreplace if defective.Note 3: Check for plugged misting nozzles clean if needed.Misting pump will notworkTest continuity of theCB7(10A) circuitbreaker & its wiring.Repair or replacedefective parts.Test for 12V’s @ the M4misting pump wires (+Gra/Orn & - Blk).Test for (+)12V’s@ the K6 Blu wireto battery ground.Do you have12V’s?Replace thedefective K6 mistingpump relayRepair or replace the M4misting pump.Test for (+)12V’s@ the K6 Gra/Ornwire to batteryground. Do youhave 12V’s?YesNoYesOn the (+) Gra/Orn& (-) Blk M4 pumpwires check for anopen circuit.Repair or replacethe defective wireYesNoNo