User manual for poly-phase meter
47
21 Service
21.1 Fault Operation
If the LCD cannot display correctly, or data communication does not work, please
check as follows:
1. Whether the environment temperature is over 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 any other kinds of pollution)
If it’s not the above-mentioned reasons which leads to failure, meters should be
unloaded and sent to Hexing service center.
21.2 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 another METER.
2. Describe the fault phenomenon as much as possible (if you can, please provide with
METER fault code), 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 the 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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