106
000876AG-F
7 - Operation
LED behaviour
The LEDs on the front panel may behave in different ways depending on
the inverter’s operational status.
All possible LED activation combinations are shown in the following ta-
ble. In particular, each LED could behave in one of the following ways:
= LED on
= LED flashing slow (2 seconds on / 2 seconds off)
= LED flashing fast (0.2 seconds on / 0.2 seconds off)
= LED off
= Any one of the conditions described above
LED status
Operating state
green:
yellow:
red:
Firmware programming
The inverter firmware is being programmed
green:
yellow:
red:
Night mode (inverter automatically switches off)
The inverter is in night time switch-off mode (
input voltage less than 70% of the set start-up
voltage).
green:
yellow:
red:
Inverter initialization
This is a transitional state due to verification of the operating conditions. During this stage the
inverter checks that the conditions for connecting to the grid are met.
green:
yellow:
red:
The inverter is connected and is feeding power into the grid
Normal operation. During this stage, the inverter automatically tracks and analyses the pho-
tovoltaic generator's maximum power point (MPP).
green:
yellow:
red:
Disconnection from the grid
Indicates lack of grid voltage. This condition does not allow the inverter to connect to the grid
(the inverter display shows the message "Missing Grid").
green:
yellow:
red:
Warning indication: (W message codes) or Error: (E message codes)
- Indicates that the inverter control system has detected a
warning (W) or error (E). It is possible
to identify the type of problem generated with the Aurora Manager LITE software (see the
alarm
messages).
green:
yellow:
red:
Temperature protection trip
Indicates that the trip relating to internal temperatures (insufficient or excessive temperature)
may have been activated
green:
yellow:
red:
Anomaly in the insulation system of the photovoltaic generator
Indicates that a leakage to earth from the
PV generator has been detected, causing the in
-
verter to disconnect from the grid.
Содержание PVS-50-TL
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