8
Troubleshooting
This is a guide for troubleshooting problems that may arise in the installation and operation of INGECON
SUN TL
SMART units.
It also explains how to perform simple operations such as component replacement and unit configuration.
Troubleshooting for the
INGECON
SUN SMART TL
unit must be performed by qualified
personnel in compliance with the general safety instructions in this manual.
8.1 LED messages
Some of the LEDs indicate some kind of problem in the PV installation:
8.1.1 Green LED
This is the LED that should light up in normal start-up and operating conditions, while the others remain off. It has
three modes:
8.1.1.1 1 second flashing
This type of blinking indicates that the PV array is feeding the right amount of voltage to the inverter and it is about
to start up. In this state, the inverter checks the grid parameters to feed current into the grid at the latter’s precise
voltage and frequency. This process takes about 1 minute.
8.1.1.2 3 second flashing
Standby due to low solar radiation. Flashing every 3 seconds. This alarm is triggered when the PV array does not
receive enough solar radiation to supply the minimum voltage required by the inverter to inject power. This occurs
commonly between sunset and sunrise, or at times when rain, clouds or other atmospheric phenomena produce
overcast conditions above the PV array.
If this situation occurs on a day which is not particularly dark, check that the panels are clean and properly installed.
8.1.1.3 Steady light
Inverter connected to the grid.
8.1.2 Orange LED
This LED indicates that alarms have been set off in the inverter.
8.1.2.1 0.5 second flashing
- If accompanied by the message
COMMS!!!
on the display, means that communication has been lost.
This may be due to problems with the communications cable if the communications installation is fixed
or because the inverter is resetting, in which case the flashing will be momentary.
- If the flashing is not accompanied by this message on the display, the problem is that the external fan is not
working correctly.
Check that no foreign bodies have entered the fan, preventing it turning. Ensure that an adequate flow of air arrives.
8.1.2.2 1 second flashing
The internal fan is not working correctly.
Contact Ingeteam Energy S.A.
Installation Manual
INGECON
®
SUN SMART TL
AAY2000IKI03
AAY2000IKI03
Rev. _
Date: March 2011
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