PVI 23TL, 28TL Installation and Operation Manual (Rev J)
DOCR-070365-J
Page
46
of
66
The LEDs on the left indicate the operational status of the inverter.
LED Light
Status
Indication
Troubleshooting
Power
Light on
DC voltage available at the
inverter
No need, Standard Operation
Light off
Low DC or possible power
supply problem
1. Check DC input polarity is correct.
2. Verify DC voltage above 180VDC.
3. Verify DC disconnect switch is on.
RUN
Light on
Inverter is producing power
No need, Standard Operation
Flash
Derating
(light on 0.5s, light off 1.5s)
Verify Inverters ambient temperature
isn’t above 45°C.
NOTE:
If the input power is above the
rated output power the inverter will
derate.
Light off
Inverter is not producing
power
1. Verify that there is no Snow on the
array.
2. Check if Error light is on or flashing;
if so skip to Section 10.
GRID
Light on
AC voltage is available at the
inverter
No need, Standard Operation
Flash
AC voltage out of setting
range
(light on 0.5s, light off 1.5s)
Check AC voltage and verify it is
within range IEEE 1547 specified
range.
Light off
No AC voltage at the inverter
Verify that AC is available at the
inverter.
FAULT
Light on
Indicates a possible fault
Note the LCD message and refer to
the Fault part of Section 10.
Slow flash
Indicates an Alarm
(light on 0.5s, light off 2s)
Note the LCD message and refer to
the Alarm part of Section 10.
Fast flash
Indicates protective action
being triggered
(light on 0.5s, light off 0.5s)
Note the LCD message and refer to
the Protection part of Section 10.
Light off
No fault
No need, Standard Operation
Table 9.2 – LED Indicators Meaning
