Chapter 7 Troubleshooting
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Chapter 7 Troubleshooting
User must read this manual carefully before installation and using the product, and
follow the instructions to operate this product correctly, make sure the environment
suits the requirement. The following table shows the potential problems, user could
according to the problems to troubleshoot and solve the problems.
1.
No display on controller?
A:Check if the power cable is correctly connected, power is on.
2.
Number in display is jumping up and down?
A:Check if there is any interference equipment such as frequency converter is
nearby. The instrument should be kept away from such interference equipment or
protected with good shielding measures.
3.
The response of number is slow?
A: If the electrode is covered by dirt, the response would be slow. Clean the
pollutant in a corresponding method. A slow response is normal in winter.
4.
Display of DM3000 incorrectly or shows ”--- --- ---”?
A:Wiring error: please check the input signal line connect correctly,please make
sure that the electrodes connect correctly
