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6 MAINTENANCE AND SEALING
6.1 Maintenance of the meter at the installation sites consists in systematic monitoring of its operation and
eliminating meter errors and malfunctions.
ATTENTION! IN CASE OF LCD FAILURE, THE INFORMATION IS STORED FOR 30 YEARS. YOU CAN READ THE
INFORMATION VIA THE METER INTERFACE BY CONNECTING THE METER TO THE POWER NETWORK
.
6.2 The cover of the terminal clamps is sealed by the company commissioning the meter.
The meter cover is sealed with two seals: by the verification officer and by the QC department.
The cover of the terminal clamps of the meter is sealed with a single seal.
The «ACCESS» button is sealed by attaching a self-destructive sealing label.
7 ROUTINE MAINTENANCE
7.1 Possible malfunctions and methods for their elimination by the consumer are given in Table 7.1.
Table 7.1
Name and signs of the
malfunction
Possible cause Elimination method
1 The LCD is off
1 No voltage at the meter voltage
terminals
2 Failure in the meter’s electronic
circuit
1 Check for voltage at the meter’s
voltage terminals
2 Send the meter to repairs
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