LEONARDO PRO X
User manual
EN
35
6. WARNING AND PROBLEMS
6.1. Warning LED
OPERATING LED
CHARGER
Charger ON
INVERTER
Inverter ON
UPS MODE
Inverter in OFF-GRID (STAND-ALONE) mode
ON-GRID
Inverter in ON-GRID mode (connected to the power grid)
STATUS
GREEN LED: normal operating state
active ON
.
WARNING AND ALARMS LEDS
STATUS
GREEN LED + 1 RED flash every 10 seconds: warning status:
CHARGE DEACTIVATION
STATUS
GREEN LED + 2 RED flashes every 10 seconds: warning status:
DISCHARGE
DEACTIVATION
STATUS
LED RED 1 flash every 10 Seconds: alarm status
OVER-TEMPERATURE
.
STATUS
RED LED 2 flashes every 10 seconds:
LOW-BATTERY
alarm status.
STATUS
RED LED 3 flashes every 10 seconds:
OVER-LOAD
alarm status.
STATUS
LED RED 4 flashes every 10 seconds: alarm status
INVERTER DATA INTEGRITY
.
Tab.3
–
LED warning table
6.2. Troubleshooting
Problem
Cause
Solution
On-grid indicator light off and AC-IN
grid symbol on display flashing
No AC voltage on AC-IN
Check the input voltage and the
AC-IN wiring of the Leonardo PRO X
No AC-OUT output voltage
No AC voltage on AC-IN and BAT+/-
connectors
STATUS LED off
Check the connection of the VE-Bus
cable
Check the connection of the VE-BUS
cable (internal control bus)
Led CHARGER always off (PV On Grid
type systems)
Deactivated "AC Charger" in menu 8.3 Activate "AC Charger" setting
"WBM INVALID DATA" error + beep
on display
The WBM is not detected by the
System
Check the connection of the CAN
communication cable of the battery
Display and LED off but inverter on
No communication between WRD
and Inverter
Check the connection of the VE-BUS
cable (internal control bus)
Error 03 on METER P1 with the
system in production
Probable inverse wiring on the input
terminal blocks and
AC output of meter P1, or a user load
cancels the read PV power
Check the connection of meter P1
The battery is not displayed
No communication between battery
and inverter
Check the CAN communication cable
