What causes Laser Volt Warning and Laser Current Warnings on an FilterTrak 660 (FT660) turbidimeter?

Document ID

Document ID TE8542

Published Date

Published Date 06/07/2018
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Question
What causes Laser Volt Warning and Laser Current Warnings on an FilterTrak 660 (FT660) turbidimeter?
Summary
The FT660 sensor is typically not installed properly on the turbidimeter body or may be installed on incorrect calibration cylinder.  Adjust the sensor positioning on the FT660 sensor body or FT660 calibration cylinder or place the head assembly on correct body or calibration cylinder intended for the FT660 turbidimeter.
Answer
The FT660 sensor has safety features built in to prevent the laser from operating and potentially causing harm when not properly installed on an FT660 turbidimeter body or FT660 calibration cylinder.  The Laser Volt Warning and Laser Current Warnings occurring at the same time typically indicate that the sensor is not installed properly on the turbidimeter body or may be installed on incorrect body or calibration cylinder for a different turbidimeter.  Try adjusting the sensor positioning on the FT660 sensor body or FT660 calibration cylinder or place the head assembly on correct body or calibration cylinder intended for the FT660 turbidimeter.

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