Speed Scrub – Diagnostic & Fault Alarms
Alarm Codes
Mode
Directional
Switch
Entry Sequence
Alarm Sequence
Function
Back-Up Alarm
REVERSE
Directional switch
placed in REVERSE
Horn sounds
1
beep cycle (repeats)
Alerts nearby persons of machine
backward movement (Note: Back-
up alarm will not sound when
machine is placed in "Hospital"
mode)
Propel Interlock:
Seat Switch Released
FORWARD
Propel Pedal depressed
with operator NOT on
seat
Horn sounds
2
beep cycle (repeats)
Prevents movement of machine
when operator not in place
Propel interlock:
High Pedal Disable
FORWARD
Key switch turned ON
with Propel
Pedal engaged
Horn sounds
4
beep cycle (repeats)
Prevents movement of machine
when key switched ON while throttle
depressed
Propel Interlock:
Throttle Fault
FORWARD
Controller sensed
an out-of range
Throttle signal
Horn sounds
5
beep cycle (repeats)
(Also FAULT and FaST LED's blink)
Prevents movement of machine
with invalid throttle voltage. Scrub
function shuts off.
Propel Interlock:
Parking Brake Fault
FORWARD
Controller sensed an out-
of range
Brake signal
Horn sounds
6
beep cycle (repeats)
(Also FAULT and Vacuum Fan/
Squeegee LED's blink)
Prevents movement of machine
with invalid brake voltage. Scrub
function shuts off.
Propel Interlock:
Parking Brake Unplugged
FORWARD
Controller sensed open
circuit on parking brake
Horn sounds
7
beep cycle (repeats)
(Also FAULT and Lower Solution Flow
LED's blink)
Prevents movement of machine
with ineffective parking brake. Scrub
function shuts off.
Propel Interlock:
E-STOP Switch Activated
FORWARD
Controller sensed open
circuit on Emergency
Stop Switch circuit
Horn sounds
8
beep cycle (repeats)
(When in Input Display Mode, FAULT
LED will also blink)
Disables all functions
(Note: To reset, key switch must be
cycled OFF and ON after the
E-STOP switch has closed)
Propel Interlock:
Charger Plugged In
FORWARD
Battery charger plugged
into machine with
Key Switch ON
Horn sounds
9
beep cycle (repeats)
Prevents movement of the machine
with charger plugged in
High Current Faults
Fault
Entry Sequence
Indicator
Excessive Left Brush
Motor Current
Left brush motor current higher than 30 Amps
Blinking FAULT LED,
Blinking Brush Pressure LED #3
Excessive Right Brush
Motor Current
Right brush motor current higher than 30 Amps
Blinking FAULT LED,
Blinking Brush Pressure LED #1
Excessive Vacuum Fan
Motor Current
Vacuum Fan Motor current higher than 27 Amps
Blinking FAULT LED,
Blinking Vacuum Fan/Squeegee LED
Excessive Propel
Motor Current
Blinking FAULT LED,
Propel disabled
Propel Motor Current Higher than 40 Amps
for 15 min.
OR
Higher than 55 Amps for 6 min.
OR
Higher than 68 Amps for 4 min.
25
Summary of Contents for SpeedScrub Rider
Page 1: ... 331145 Rev 00 331145 SpeedScrub Rider Service Information and Hygenict Tanks Featuring ...
Page 4: ...ii ...
Page 7: ...1 2 3 4 5 1021038 Speed Scrub Ladder Schematic page 1 of 2 3 ...
Page 8: ...1 2 3 4 5 1021038 Speed Scrub Ladder Schematic page 2 of 2 4 ...
Page 9: ...1 Speed Scrub Wire Harness Group page 1 of 4 5 ...
Page 10: ...1 Speed Scrub Wire Harness Group page 2 of 4 6 ...
Page 11: ...1 Speed Scrub Wire Harness Group page 3 of 4 7 ...
Page 12: ...2 Speed Scrub Wire Harness Group page 4 of 4 8 ...