Speed Scrub – Propel/Brake Diagnostics
TO ENTER:
• Press and hold FaST & Increase Brush Pressure (+) Buttons
• Turn key switch ON
• Release Buttons after FaST LED (if in Forward) or Vacuum Fan/Squeegee LED
(if in Reverse) is lit
TEST
ACTION
INDICATOR
NOTES
Directional Switch -
Forward
Place Directional Switch in
Forward Propel position
FaST LED ON
LED will be illuminated if the controller senses the
Directional Switch in Forward Position - Machine will not
propel if any of the Brake LED’s are illuminated
Directional Switch -
Reverse
Place Directional Switch in
Reverse Propel position
Vacuum Fan/
Squeegee LED ON
LED will be illuminated if the controller senses the
Directional Switch in Reverse Position - Machine will not
propel if any of the Brake LED’s are illuminated
Brake Pedal
Depress Brake Pedal
Brush Pressure
LED's
LED’s will display the sensed position of the brake
pedal - No LED’s indicate pedal is released, 3 LED’s
indicate that the pedal is fully depressed
Accelerator Pedal
Depress Accelerator Pedal
Solution Flow
LED's
LED’s will display the sensed position of the accelerator
pedal - No LED’s indicate the pedal is released, 3 LED’s
indicate that the pedal is fully depressed
Propel Motor Current
Depress Accelerator Pedal
Battery LED's
Battery gauge LED’s display the current level being drawn
by the Propel Motor - Each LED represents
7 Amps of current (ex: 3 LED's = 21 Amps)
Propelling System Data
Direction
Wire #
Color
Polarity
25
Green
−
24
Yellow
"
+
"
25
Green
"
+
"
24
Yellow
−
Releasing the Propel Pedal will initiate
Dynamic Braking; As machine slows to a
halt, the Brake solenoid is De-energized,
applying the Parking Brake
Notes
Forward
Reverse
Voltage during FORWARD travel will vary
between 0 to 24 VDC
Voltage during REVERSE travel will vary
between approximately 0 to 17 VDC
Propel & Brake Pedal Data
Pedal
LED group
Lit LED's
Pedal Position
Input Voltage Level
Notes
0
Released
below 1.35 VDC
1
Slightly Depressed
1.35 to 1.89 VDC
2
Halfway Depressed
1.89 to 2.27 VDC
3
Fully Depressed
2.27 to 4.0 VDC
0
Released
below 1.5 VDC
1
Slightly Depressed
1.5 to 1.89 VDC
2
Halfway Depressed
1.89 to 2.27 VDC
3
Fully Depressed
2.27 to 4.0 VDC
Propel
Machine must be in Propel
Diagnostic Mode when testing;
LED's will display the sensed
position of the pedal; No LED's
indicate pedal is released; 3
LED's indicate pedal is fully
depressed
Brake
Solution Flow
Brush Pressure
31
Summary of Contents for SpeedScrub Rider
Page 1: ... 331145 Rev 00 331145 SpeedScrub Rider Service Information and Hygenict Tanks Featuring ...
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Page 9: ...1 Speed Scrub Wire Harness Group page 1 of 4 5 ...
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