Hillyard TRIDENT T20SC PRO, Service Manual

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3.2 Mechanical scrubbing system: what to do if. . .
The machine doesn’t clean well
1. The machine is switched off ⇒ Switch on the machine.
2. The machine doesn’t switch on ⇒ Refer to the proper section
(see section
3.1 at page 8 )
.
3. The display shows an alarm mes-
sage ⇒ Check what alarm message is
shown and solve the related issue
by following the proper instructions
(see section 3.6 at page 16 )
.
4. The ”ECO” switch is not pressed
⇒
Press the ”ECO” switch.
5. The safety switch doesn’t work ⇒
Replace the safety switch
(see section
4.1.1 at page 19 )
.
6. The brush deck motor is not sup-
plied
⇒
Verify the motor connections.
7. The carbon brushes are worn out ⇒ Replace the carbon brushes
(see section
6.3.1 at page 50 )
.
8. The brush motor is supplied but it
doesn’t work ⇒
Replace the motor
(see section 4.2.3 at page
21 )
.
9. The brush rotates in opposite way
⇒
Check the motor connections.
10. The brush deck is lifted from the
floor ⇒
Lower the brushdeck to the floor.
11. The brush is not properly engaged
⇒
Release and engage properly the
brush.
12. The solution flow rate is not correct
or not enough ⇒ Refer to the proper section
(see section
3.5 at page 15 )
.
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