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sequence may lead to wrong running.
7.4 Meter does not work
Ensure proper auxiliary supply is connected to the auxiliary supply terminal. As the
meter may be damaged by auxiliary supply voltage which is beyond the rated range
and it can not recover. Use multi-meter to measure the voltage of auxiliary supply,
if the meter does not display when the voltage is proper, please electrify it again,
then if the meter can not display normally, please contact with our technical
service department.
7.5 The meter does not respond to any operation
If the meter gives no response after pressing the keys on the panel, electrify it
again after cutting off the power, please contact our technical service department if
it can not return to normal yet.
7.6 Other abnormal phenomena
Please contact our technical service department to give a detailed description of
the field condition. Our technicians will analyze possible causes according to your
description. The company will appoint technicians to deal with problems on spot as
soon as possible if the problem can not be settled after oral communication.