Troubleshooting; Small Amount Of Solution Or No Solution Flows To The Brush; The Solution Flows To The Brush Even When The Machine Is Off; The "Eco" System Does Not Work - Nilfisk-Advance BA 600S Service Manual

TROUBLESHOOTING

Small amount of solution or no solution flows to the brush

Possible cause:
1. The brush switch (2) is not in the ON position or it is faulty (turn ON or repair/replace).
2. The solution filter is clogged/dirty (clean).
3. The solution flow control lever does not control the related faucet (check the operation of the control cable from the
lever to its faucet).
4. The solution supply faucet is stuck closed (replace).
5. The solenoid valve is faulty or there is an open circuit in the connection (replace the solenoid valve/restore the
connection).
6. There is debris in the solution tank obstructing the output hole (clean the tank).
7. There is debris in the pipe obstructing the solution passage (clean the pipe).

The solution flows to the brush even when the machine is off

Possible cause:
1. There is dirt or limestone on the solenoid valve seals (clean the solenoid valve inner seals)
2. The solenoid valve is faulty (replace).

The "ECO" system does not work

Possible cause:
1. There is dirt in the ball hole inside the faucet (remove any deposit from the hole)
909 5484 000(1)2004-03
SERVICE MANUAL
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