Delta PPM R4E, Installation Manual

Page: 91 / 96

91
● If "Inverter (model/serial number) connection setting failed" is displayed
No.
1
2
3
4
Cause
The communications
status icon is not displayed
on the power monitor.
Has the inverter wireless
communications unit
antenna been disconnected?
Defective connection
between the power
conditioner and
inverter wireless
communications unit.
Was the incorrect serial
number entered into the
power monitor?
Measures
Check that the USB wireless module has not been disconnected.
If unplugging and reinserting the cable does not resolve the error,
contact your dealer.
Check that the inverter wireless communications unit antenna is
mounted correctly.
Move the power monitor to a site where signals from the wireless
communications unit and inverter wireless communications unit can reach.
Check that the inverter wireless communications unit is installed correctly.
Turn OFF the inverter's DC switches and solar generator
breakers, turn OFF the operations switch, wait a little while, and
then turn ON the DC switches and solar generator breakers, and
restart the power converter.
Check the serial number, and reenter correctly.
5
Is the device installation
site too far away?
Check that the inverter wireless communications unit antenna is
mounted correctly.
Move the power monitor to a site where signals from the inverter
wireless communications unit can reach.
6
Are there any obstacles
between the devices?
Check that the inverter wireless communications unit antenna is
mounted correctly.
Move the power monitor to a site where signals from the inverter
wireless communications unit can reach without obstacles.
When Something Seems Wrong (Troubleshooting)