User manual for poly-phase meter
46
19 Service
19.1 Fault Operation
If the LCD can't display correctly, or data communication does not work, please
check as follows:
1. Whether the environment temperature is beyond the limit working temperature range
of the meter
2. Whether the optical communication interface or LCD display window is clean (no
scratches, no paint, no fog, or other ways of pollution)
If not the above reasons lead to failure, meters should be unloaded and sent to
Hexing service center.
19.2 Meter Repair
If the METER repair is necessary, please operate in accordance with the following
process:
1. If the METER has been installed, then uninstall the METER (see section 19.5
"uninstall") and reinstall an alternative METER.
2. Describe the fault phenomenon as much as possible (if you can, please provide with
METER fault code), offer the name, phone number of the responsible person for the
follow-up maintenance. Please indicate the serial number and complete METER model
(METER model can be obtained from the METER nameplate)
3. Package the METER, ensure the METER will not be damaged during transport. Try
to use the original package. Don’t put in a METER with missing part.
4. Send the electric METER to a certified Hexing service center
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