Nilfisk-Advance SC800 - Troubleshooting

Service Manual: SC750, SC800, SC 750 ST, SC800 ST
Form Number 56043150 Page 109
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
Detergent Is Not Being Added to the Solution (Machines with optional detergent mixing system)
Possible Causes
• Detergent tank empty
• Detergent hose blocked or leaking
• Detergent pump
• Wiring
• Main machine controller