SC750 User Manual

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

Form Number 56043150 Page 33

Soware Revision Code – This funcon is used to display the soware revision. The Fault LED blinks a two-part code to

indicate the revision of the soware that is currently programmed into the microcontroller program memory. The rst

part of the code indicates the released revision leer: 1 blink = revision A, 2 blinks = revision B, etc.

To check the revision:

1. While pressing and holding the vacuum and scrub switches forward, 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 Low, Medium and High Soluon Flow indicators will remain on and the fault indicator will ash out the revision code.

Programming Options – SC750 and SC800 models (Control Panel with membrane switches)

Main Machine Controller special program opons allow the service repairperson to match the control board to the spe-

cic model equipment and to user preferences. They also allow adjustments to some machine funcons, and provide a

way to see the controller’s revision level. On SC750 and SC800 models, all program opon modes are entered through a

“hidden menu” that is displayed on the LCD.

To enter the Programming Opons mode: (Start with the baery charger unplugged and the key o)

1. Press and hold the scrub ON/OFF switch and Vacuum/Wand switch together.

2. While holding both switches, turn the Key Switch to the ON posion.

3. Connue to hold both switches about 3 seconds unl the

display shows “Programming Opons”, then release the

switches.

4. Scroll through the menu using the Soluon Increase and Decrease switches unl you get to the desired program-

ming opon.

5. Press the Soluon On/O switch to enter the mode.

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Nilfisk SC750 Heavy-Duty Cleaning