3
S o n n e n A u s t r a l i a P t y L t d
L e v e l 2 0 , T o w e r A
821 Pacific Highway, Chatswood
NSW
ACN 611 337 547
0408 802 388
► Make sure that Connections into PLC
(rear of door) are all correct and connected
► Remove the Z-Wave USB (Short term
solution)
Advanced Options to identify the cause
– To be conducted with the involvement of
Sonnen Support Department
► Remove Modbus-cable for the meter
and try to restart
► Check LED at battery modules (orange
bar). This should not be on, because this
would indicate an error
► Turn on the system with only one
battery module if it fails to stay on then
restart procedure with the additional
modules individually to identify faulty
module.
► If single battery modules will allow
system to stay on then add each adjacent
module until fault module is identified.
► Remove relay K1 (this will indicate
whether the PLC has initiated shutdown)
► Remove relay K2. If the system stays on
after removing K1, K2 our service team
should be able to remotely connect into the
system and check settings and
measurements as we will also get a log
entry for the cause for the shut-off and
advise the next steps for support.
Solar production is different to
inverter reading
The instantaneous or daily
kWh values are not the
same
► The Sonnen system uses a Class 1
utility grade meter and CT combination,
this often creates a measurement
discrepancy with inverters, additionally the
measurement point is located after PV
system loses. No action is required.
No Consumption or Production
values
Values on the App or
Online Portal are on zero
► Restart meter, turn off and on the
MCB/s supplying the units power
► Make sure that the CT’s are in the
correct position as per the installation
manual
► Make sure that the lines connecting the
CT transducers to the Meter are connected
correctly
► Make sure that Modbus connection on
the green WAGO strip is seated correctly in
the bottom of the meter
► Make sure that the meter is powered
correctly:
N = 15 for eco 8.2 (single phase)
L = 16 for eco 8.2 (single phase)
N = 13 for the eco 8.03 (3-phase)
