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If the message “58 - Err Comm. ETH” appears, read the Appendix “A – Switch off and on the system” and execute
the procedure of deactivation and reactivation.
If the message “53 - CT Error” appears, please read the point “3.3.43.3.4” and check that the connections
executed are correct.
3.4.2
Check of the correct installation of the Meter
On the display, just after a few seconds from the activation of the protection and disconnection devices on the
electrical installation (Picture 21), it will be shown the countdown regarding the checking procedure (Picture
21A).
1.
Before the countdown stops, check that the power placed under the icon of the HOUSE is equal to the
power placed under the pylon of the GRID, but the two values must be of opposite sign.
Picture 21A – Countdown regarding the Checking; check that HOUSE power = (- GRID power)
If the check is not possible because the inverter is linked up to the grid and the screen has changed as the
following picture 22 (“panel power < 0 W” and/or “battery power ≠ 0 W”).
Picture 22 - the Checking procedure is ended; panel power > 0 W
Lower (OFF) the magnetothermal breaker QG1; wait a minute and raise it, then check the condition above
mentioned in point “1”.
If the power shown under the icons ELECTRICITY PYLON and HOUSE is “0 W”, check that the three-phase meter is
correctly installed and there are no interruptions on the cable or any wrong connections.
NEGATIVE POWER OF
THE GRID (-)
CHECK: SAME
ABSOLUTE VALUE OF
POWER
CHECK: INVERTER LINKED TO
THE GRID:
BATTERY POWER < 0 W
POTENZA PANNELLO > 0 W
POSITIVE POWER OF
THE HOUSE (+)
Countdown regarding the
checking PROCEDURE
