E14
OPERATING MANUAL
V03
MINUTEMAN INTERNATIONAL INC.
14N845 U.S. Route 20
Pingree Grove, Illinois 60140
www.minutemanintl.com
21
12 TROUBLE SHOOTING
12.1
Insufficient water to the brushes
1.
Check that the rate regulation valve is sufficiently open (Fig. 9 - 2)
2.
Check that there is water in the solution tank
3.
Clean the electrovalve (Fig. 9 - 1) unscrewing the magnet and put in on after cleaning (Fig. 14).
12.2
Squeegee does not dry perfectly
1.
Check that the squeegee is clean
2.
Check that the vacuum motor is correctly positioned
3.
Clean the entire aspiration unit (see "WEEKLY MAINTENANCE")
4.
Replace worn rubbers.
5.
Check the correct alignment of the rubbers
6.
Clean or replace the squeegee wheels
12.3
Machine does not clean well
1.
Check the condition of the brush and replace if necessary. Brush must be replaced when bristles are about 15 mm. high.
Refer to "REMOVING THE BRUSH" and "INSTALLING THE BRUSH" to replace it. Working with a brush that is too worn
may cause damage to the floor.
2.
Use another type of brush rather than the standard brush. To clean floors with exceptionally tough dirt, we recommend the
use of special brushes that are supplied on request and according to your specific needs.
12.4
Too much foam is generated
Check that a low-foam detergent has been used. Add if necessary a small quantity of anti-foam liquid to the recuperation tank.
Remember that more foam is generated when the floor to be cleaned is not very dirty. In this case use a more diluted detergent
solution.
12.5
Vacuum motor does not operate
1.
Check that motor signal lamp is on. If it is not, reset the protection
2.
Check that the battery is properly connected.
3.
Reset the related protection
4.
If the problem persists, contact the dealer or the assistance.
12.6
Brush motor does not operate
1.
Check that motor signal lamp is on. If it is not, reset the protection
2.
Check that the battery is properly connected.
3.
Reset the related protection
4.
If the problem persists, contact the dealer or the assistance.
12.7
Machine does not start
1.
Check if the battery is properly connected.
2.
Check if the batteriy is charged
3.
Check the protection is not operating
4.
If the problem persists, contact the dealer or the assistance.
12.8
Electrical protections
The machine is equipped with the following electrical protection systems:
1. Low-current protections installed outside to protect (Fig. 15):
BATTERY VERSION
brush motor (30A)
electrical controls (12A)
vacuum motor (30A)
CABLE VERSION
brush motor (3A)
vacuum motor and electrical controls (8A)
12.9
The brush motor works but the brush does not turn
1. The belt could be wet. Check it there is any leakage and, if it is not, wait until the belt becomes dry.
2. The belt could be worn or broken. Replace it.
