Control System46Service Manual
SC6500™– Pressing the switch a third time will switch off the side broom motors and switch on the actuator toraise the side brooms. The side broom on/down indicator will light as the actuator is running. Once theside 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 andsolution pump on and off. The solution system indicator provides the following statusinformation:– 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 releasingthis switch will alternately turn the detergent pumps on and off. The detergentsystem indicator provides the following status information:– Off – Detergent pump output is off.– Steady Blue – Detergent pump output is on.TroubleshootingError Indicator and Error Code DisplayAny error codes detected by A2Control Board Assembly will bedisplayed on the control paneldisplay as they occur. If morethan one error exists, the displaywill sequence through the errorcodes at one-second intervals. Theerror will display as a mechanicalwrench symbol followed by atwo-digit code. For example, 29as shown in the adjacent drawingwould be an open vacuum motorerror.Two-digitErrorCodeErrorIndicator
