warning E14: communication between energy meter and main control board is abnormal

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• warning E19: communication between display system and main control board is abnormal

  a) This failure means the “communication abnormality between display system and main control board”. Use it again after restarting the instrument. If this failure occurs again, find out the problem. If no problem is discovered, it will be caused by ...

• Warning E10: communication beween water-quality Inspection Board and mainboard of main console is abnormal

  a) This failure means the “communication abnormality of water quality testing board”. b) This failure will be alarmed after startup and is unable to be eliminated. Take apart the instrument back shell and then check the states of “main control board ...

• Warning E11: communication between the handpiece and mainboard of main console is abnormal

  Note: In light of the incompatibility of version, main console software versions L0-A-1.0.129, L0-A-1.0.133 and L0-A-1.0.134 are incompatible with the handpiece software version L4-A-1.0.001 (or the customized version based on this version). Prior to ...

• Warning E03: no 24V input of main control board

  a) This failure means “no 24 V input of main control board”. Take apart the instrument back shell and test J5.1 and J5.2 with the DC voltage gear of multimeter. If it is 24V±2V, the power supply should be normal. You are suggested to replace main ...

• Warning E02：failure of 24 V cutoff of main control board

  a)This failure means the “failure of 24 V cutoff of main control board”. After occurrence of this failure, you are suggested to replace the main control board. This failure is non-critical and can be shielded through “password 78652818”