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4000TOC Sensor
The 4000TOC Sensor housing provides four LED status lights and a single push button key for local UV
lamp control. See Figure 1.
Figure 1
UV Lamp ON LED: When illuminated continuously, UV Lamp is on. When flashing, indicates sensor is in
rinse and auto-balance mode.
4000TOC Sensor installation
UV Lamp ON LED: When illuminated continuously, UV Lamp is on. When flashing, indicates sensor is in
rinse and auto-balance mode.
UV Lamp ON key: Allows the user to turn UV lamp on or off at the sensor. Sensor Status LED: Illuminates
continuously when sensor is powered and the patch cable is plugged in. Not lit if patch cable or power is
disconnected.
Error LED: Illuminates continuously when an Error condition exists.
Fault LED: Flashing when a Fault condition exists.
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