Nilfisk SC800 ST User Manual

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Service Manual: SC750, SC800, SC 750 ST, SC800 ST

Form Number 56043150 Page 134

Troubleshooting



Possible Causes

• Restricted soluon lter

• Debris/sludge in soluon tank clogging ng to shut o valve

• Pinched hose

• Restricted soluon valve

Solution Leaks After Machine Is Shut Off

Possible Causes

• Soluon valve not sealing (Worn or debris holding it open.)

• Hose or ng leak before soluon valve



Possible Causes

• Detergent tank empty

• Detergent hose blocked or leaking

• Detergent pump

• Wiring

• Main machine controller

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Nilfisk SC800 ST Heavy-Duty Cleaning