Delta PPM R4E, Installation Manual

Page: 92 / 96

■ If "Disconnected from XXXXXXX device" or "XXXXXXX device unable to connect within set time"
is displayed in the connections log explanation.
●
If "Power meter (model/serial number" is disconnected" or "Power meter (model/serial number)
unable to connect within set time" is displayed.
No.
1
2
3
4
Move the power monitor to a site where signals from the wireless communications unit can reach.
Check that the wireless communications unit antenna is mounted correctly.
Move the power monitor to a site where signals from the wireless communications unit can reach.
Check whether the operations LED lamp on the wireless communications unit is ON.
If it is OFF, reset the wireless communications unit as described in 5.3. Reset Method (page 56).
Turn OFF and ON again the power meter power supply.
Measures
●
If "Inverter (model/serial number" is disconnected" or "Inverter (model/serial number) unable to
connect within set time" is displayed.
No.
1
2
3
4
Move the power monitor to a site where signals from the inverter wireless communications unit can reach.
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.
Check the IP address using the method for checking the inverter IP address.
Or, if the IP address is incorrect, initialize the inverter wireless communications unit.
Turn OFF the inverter's DC switches and solar generator breakers, turn OFF the operations
switch, wait a little while, then turn ON the DC switches and solar generator breakers, and
restart the power converter.
Measures
When Something Seems Wrong (Troubleshooting)
92