SC 750 ST User Manual

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Service Manual: SC750, SC800, SC 750 ST, SC800 ST

Form Number 56043150 Page 30

• 3 blinks = On-board charger with AGM DISCOVER 25A baeries (Use with 312 AH AGM Baeries 56315959)

• 4 blinks = On-board charger with GEL EXIDE 25A baeries

• 5 blinks = On-board charger with GEL-AGM 25A baeries

• 6 blinks = On-board charger with WET 15A baeries

• 7 blinks = On-board charger with GEL-AGM 15A baeries

Additional Program Options

The following opons can be used by the technician or to set user preferences.

Low Voltage Cut Out Selecon –The purpose of the low baery voltage cutout funcon is to help prolong baery life.

The scrub deck will be raised and the brush motors, vacuum motor, and soluon solenoid valve will turn OFF automa-

cally and cease to funcon when the baeries discharge to the selected cutout level. The cutout level is adjustable be-

tween two sengs. The standard seng (wet cell/lead acid) is 20.55 volts and alternate seng

(AGM) is 21.75 volts.

To check or change the seng:

1. While pressing and holding the vacuum and scrub switches backward, turn the key switch

on.

2. Wait about 3 seconds unl all of the LEDs light up and then go o. Release the switches.

The yellow Baery Indicator will remain on and the fault indicator will be ashing a numeric value that represents the

current seng. To change the seng, press the soluon switch forward to increase the value or backwards to decrease

the value. To save the seng, press the scrub switch forward (All LEDs will turn on) then turn o the key switch.

• 1 blink = Wet Baery 80%, 20.55V

• 2 blinks = Maintenance Free Baery 70%, 21.75V

Lock Out Brush Pressure - It is possible to lock out either brush pressure seng: Low or High.

During normal operaon, the brush pressure that is locked out will not be able to be selected.

To check or change the seng:

1. While pressing and holding the vacuum and soluon switches backward, turn the key

switch on.

2. Wait about 3 seconds unl all of the LEDs light up and then go o. Release the switches.

The green Baery Indicator will remain on and the fault indicator will be ashing a numeric value that represents the cur-

rent seng. To change the seng, press the soluon switch forward to increase the value or backwards to decrease the

value. To save the seng, press the scrub switch forward (All LEDs will turn on) then turn o the key switch.

• 1 blink = No pressure seng locked out.

• 2 blinks = Low pressure seng locked out.

• 3 blinks = High pressure seng locked out.

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Nilfisk SC 750 ST Heavy-Duty Cleaning