Zhejiang Sealand Technology Co.,Ltd.
9.2 Troubleshooting
Maybe the screen is under auto-off status.
Check if the voltage between terminal L/+ & N/- is 220V/24V.
Check if the wiring between display terminal and mainboard is loosen or wrong.
Transmitter operation failure
Check if the wiring between display terminal and mainboard is loosen or wrong.
Check if the communication wiring is loosen or wrong.
Check communication port setting.
Check if the pipe is full of gas/liquid.
Check if there is any bubble inside.
Check if the meter is properly grounded.
Check if motor, transformer or other electrical equipment is near.
Check if the detector is under mechanical pressure.
Check if the junction box is kept away from dust and water.
Flow rate accuracy failure
Check if zero point setting is correct.
Check if flow unit and min. cutoff value is set properly.
Check if the meter is properly grounded.
Check if there is any bubble inside.
Check if the reference value is correct.
Check if the density unit is set properly.
Check if it is fixed density.
Check if the pipe is full of fluid, without any other impurity.
Check if the temperature measurement is correct.
Check if the meter is rusted or corrupted.
Check if there is any impurity piled inside.
Temperature accuracy failure
Check the wiring of transmitter.
Check if platinum resistor PT100 is correct.
Check if the unit is the same.
Check if the suspicious output signal setting is correct.
Check if the output is normal.
Please contact the manufacturer if problem can not be solved.
Chapter 10 Completeness
The meter consists of sensor, transmitter and the cable to connect them. Please mark in PO
if companion flange is needed. Besides, there will be one operation manual, certificate of
approval in the package.
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