USER MANUAL
ENGLISH
9099864000 - SC351
19
FUSE CHECK/REPLACEMENT/RESET
1.
Drive the machine on a level floor.
2. Check that the function selection knob (31) is turned to “0”
and disconnect the battery connector (7).
3. Open the cover (4) and check one of the following fuses
for deactivation or integrity (Fig. 8):
•
(A): F1 (35 A) circuit breaker, brush motor.
•
(B): F2 (30 A) blade fuse, vacuum system motor.
•
(C): F3 (5 A) blade fuse, accessories.
Reset or replace any fuse, after having checked and
repaired any problem that caused deactivation.
4. Close the cover (4).
C
B
A
Figure 8
P100414
TROUBLESHOOTING
Trouble
Possible Cause
Remedy
The motors do not turn on; no LED
turns on.
The battery connector is disconnected.
Connect.
The battery is completely discharged.
Charge it.
The fuse F3 is open.
Replace.
The brush motor does not run.
The F1 fuse has triggered.
Reset the fuse.
The vacuum system motor does not
turn on.
The fuse F2 is open.
Replace.
The dirty water vacuuming is
insufficient.
The recovery tank is full.
Empty.
The vacuum grid is clogged or the float is stuck
closed.
Clean the grid and check the float.
The vacuum hose is disconnected from the squeegee
or faulty.
Connect or replace. (*)
The squeegee is dirty or the squeegee blades are
worn or damaged.
Clean the squeegee or replace the blades.
The recovery tank cover is not properly closed, or the
gaskets are damaged.
Check and/or clean the seating surface or replace
the gaskets.
The vacuum system motor filter is dirty.
Clean.
The solution flow is insufficient.
The detergent duct is dirty/clogged.
Clean.
The solenoid valve is faulty.
Replace. (*)
The squeegee leaves marks on the
floor.
There is debris under the squeegee blades.
Remove the debris.
The squeegee blades are worn, chipped or torn.
Replace the blades.
(*)
This maintenance procedure must be performed by an authorised Nilfisk Service Center.
NOTE
The machine is inoperative without the battery charger.
In case of battery charger malfunction, contact an authorised Service Center.
For further information refer to the Service Manual, available at any Nilfisk Service Center.
Summary of Contents for SC351
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