Control System 46Service Manual – SC6500
™
– Pressing the switch a third time will switch off the side broom motors and switch on the actuator to
raise the side brooms. The side broom on/down indicator will light as the actuator is running. Once the
side brooms reach the up position, the side broom on/down indicator will blink.
– Pressing the switch a fourth time will switch off the side broom on/down indicator.
• Solution Switch – This switch controls the solution solenoid and solution control pump.
Pressing and releasing this switch will alternately turn the solution solenoid and
solution pump on and off. The solution system indicator provides the following status
information:
– Off – Solenoid and solution pump outputs are off.
– Steady Blue – Solenoid and solution pump outputs are on.
• Detergent Switch – This switch controls the detergent pumps. Pressing and releasing
this switch will alternately turn the detergent pumps on and off. The detergent
system indicator provides the following status information:
– Off – Detergent pump output is off.
– Steady Blue – Detergent pump output is on.
Troubleshooting
Error Indicator and Error Code Display
Any error codes detected by A2
Control Board Assembly will be
displayed on the control panel
display as they occur. If more
than one error exists, the display
will sequence through the error
codes at one-second intervals. The
error will display as a mechanical
wrench symbol followed by a
two-digit code. For example, 29
as shown in the adjacent drawing
would be an open vacuum motor
error.
Two-digit
Error
Code
Error
Indicator
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