G�PowerNozzleW/DirtSensorRunsButIndicatorLightWillNotChange - Riccar 1700 Service Manual

G. Power Nozzle w/ Dirt Sensor Runs But Indicator Light Will Not Change
Light is Green:
IndicatorlightstaysGREENevenwhenthenozzleispushedthroughdirt�
CheckthewiresbetweenthePCboardandthesensorstoensurethattheyareconnectedandnotpinched�
Light is Red:
Checktoensurethatthesensorsarewiredcorrectly�
REDlightisonandthepowernozzleisrunning:
1�Stoppowernozzle�
2�Placealockonthemotor(withapairofvicegrips)orjamtheagitator�
WARNING: If vice grips are used to lock motor, ensure they are lying flat against housing before starting motor.
3�Turnpowernozzleon�
4�IfthelightturnsGREENthesensorsarewiredwrong�
5�ChangethedirtsensorPCboardandsensorsassembly�
Light is Orange:
ORANGElightnormallyindicatesthatdirthasbeenfound�
LightstaysORANGE:
1�IflightstaysORANGEitindicatesthatthesensorhasdirtormoistureonthesensorlenslocatedoneoneachsideoftheinlet
duct�
2. Clean lens by first removing the base plate and brush roll. Using a paper towel, reach up and wipe the dirt/moisture from the
lens�
3�Aftercleaning,thelightshouldchangetoGREEN�
07�03�07
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II�FullSizeCanisterTroubleshootingGuide