Nilfisk SC800 ST User Manual

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

Form Number 56043150 Page 32

Restore Factory Defaults – This funcon is used to reset all sengs to factory default values. If this is done, the next

me the key is turned on, it will act as though a new controller has been installed and “force” you to set the mandatory

program opons before the machine will operate normally.

To check or change the seng:

1. While pressing and holding the vacuum switch forward and scrub 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 Regular Scrub Pressure Indicator will remain on and the Fault Indicator will be ashing a numeric value that repre-

sents 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 forward (All LEDs will turn on) then turn o the key switch.

• 1 blink = No

• 2 blinks = Yes

Fault Recall – The fault indicator normally ashes out “current” codes only. This funcon is used by a technician to check

for “historical codes” and clear them.

To check or clear historical codes:

1. While pressing and holding the vacuum and soluon switches backward and the scrub

switch 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 High Soluon Flow Indicator will remain on and the Fault Indicator will be ashing out all historical codes set since

the last me they were cleared. To exit this funcon without clearing codes, press the scrub switch forward. To clear

historical codes press the soluon switch forward.

Fault Detecon - Normally, the Main Machine Controller will perform checks of the electrical system during operaon. If

a fault occurs in a parcular system, that system (and possibly others) will be shut down. This can make troubleshoong

the system dicult. This opon will allow service personnel to disable some of the fault detecon checks to facilitate

troubleshoong. This will not disable the over-current protecon on any of the systems.

To check or change the seng:

1. While pressing and holding the vacuum and soluon 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 Medium Soluon Flow Indicator will remain on and the Fault Indicator will be ashing a numeric value that repre-

sents 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 = Fault Detecon Enabled

• 2 blinks = Fault Detecon Disabled

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Nilfisk SC800 ST Heavy-Duty Cleaning