36 37
Name and signs of the
malfunction
Possible cause Elimination method
2 The information displayed on the
LCD is not changing, no reaction
to the buttons
1 Failure in the meter's electronic
circuit
1 Send the meter to repairs
3 When a load is connected to the
meter, the measuring direction
does not correspond to the true
value
1 Incorrect connection of parallel
and/or serial circuits of the meter
1 Check the correct connection
of circuits
4 During periodic verification, the
error went beyond the permissible
limits
1 The parameters of the elements
determining accuracy in the
meter’s electronic circuit are gone
2 Failure in the meter’s electronic
circuit
1 Send the meter to repairs
5 Missing or poor power
accounting via telemetry channels
1 Wrong connection of telemetry
lines to the meter’s terminals
2 The telemetry outputs are poorly
configured
1 Connect the telemetry lines in
accordance with the OM
2 Configure the telemetry outputs
correctly
8 STORAGE AND TRANSPORTATION CONDITIONS
8.1 Meters shall be stored in the manufacturer’s packaging at an ambient temperature of 5 to 40°C and a relative
humidity of 80% at a temperature of 25 °C.
Table 7.1 (continued)