Installation Guide
Use a Voltmeter to measure the voltage on the meter's AC wiring. The line to line
voltage should be according to the meter's specifications.
<OK>is not displayed
P r o d u c t i o n M e t e r
S t a t u s : < O K / E r r o r >
P o w e r [ W ] : x x x x x . x
E n e r g y [ W h ] : x x x x x . x
If <OK>is not displayed in the Status line of the status screen shown above, the meter
is not communicating with the inverter. Check the following:
There are no loose connections at the inverter communication board and at the
meter.
The RS485 wiring between the meter and the inverter/Commercial Gateway as
specified in
To connect the RS485 wiring to the inverter:
on page 17
Check for water damage or sealing problems:
Inspect the entire conduit run for possible points of water penetration, and fix
leaks.
Ensure that proper outdoor rated components are used.
An error message is displayed
If Comm. Error is displayed in the meter status screen, verify proper connection of:
The RS485 cables and connectors
The AC connection of the meter
If Error 185 Meter Comm. Error message is displayed, contact SolarEdge support.
Total [Wh] value is not advancing
If the Total [Wh] value displays a steady value although the inverter is producing power,
check the following:
There are no loose connections at the inverter connectors and at the meter,
specifically the AC wiring on the meter's AC wiring connector.
The CTblack and white cables are correctly connected to the CT connectors on the
meter:
The L1/L2 AC power cables pass through the CTsin the correct direction, according
to the arrow on the inside of the CT.
Appendix A: Troubleshooting the Meter 33
Energy Meter with Modbus Connection MAN-01-00270-1.3