水智库平台

常见问题

FT660SC VOLTAGE IN - Monitored voltage is outside the range of 9.08–14.3 V

Check cable between sensor and controller.

2018-11-09 回复
FT660SC 5 VOLT - Monitored voltage is outside the range 4.5–5.5 V

If problem persists replace main circuit board

2018-11-09 回复
FT660SC TEMPERATURE - Sensor head internal temperature is higher than 50 °C.

Ensure that the environment is within the specifications.

2018-11-09 回复
FT660SC DARK READING - Dark reading detects too much light (more than 50 mNTU)

Perform 0 Electronics.
Make sure head is on the body.
Replace circuit board.

2018-11-09 回复
FT660SC LOW SIGNAL ERROR - Signal is too low (measuring less than 3.0 mNTU)

Make sure the head is seated properly.
Check cleanliness of fiber optic detector.

2018-11-09 回复
FT660SC FLASH FAILURE - Datalog and event log will not work.

Replace main circuit board.

2018-11-09 回复
FT660SC LASER FAILURE - Laser failed to operate properly and is turned off.

Replace laser module.

2018-11-09 回复
FT660SC A/D FAILURE - A/D conversion failed

Replace main circuit board.

2018-11-09 回复
FT660SC Verification

Wet verification – perform verification with stablcal
CVM verification – perform verification with calibration verification module

2018-11-09 回复
FT660SC Calibration

Calibrate quarterly with 2- 500mL bottles 800 mNTU standard

2018-11-09 回复

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