Black screen on panel

[tyler (Tyler G)]

To begin troubleshooting, power cycle the panel. Leave it off for 10 minutes. Steps on how to do so can be found here:

How to Power Cycle a Qolsys IQ Panel 2 or IQ Panel 4

To Power Cycle the IQ Panel 2, IQ Panel 2+, or IQ Panel 4 If possible, turn off through panel programming first. If this is not possible, move to step 2. Navigate to Settings > Advanced Settings > Enter Dealer/Installer/Master User Code > Power Down to turn off the Qolsys panel. Unplug the power supply from the wall outlet Open the panel and disconnect the internal battery. Leave the panel powered down for at least 2 minutes. Plug the battery back in, close up the panel and reconnect the po…

While off completely, check the following:

1. Ensure the cable between the panel and power supply is not loose, or damaged.
2. Check that the power supply is plugged into a working outlet and that the outlet is not switched off.
3. Check the internal battery for swelling or bloating

If outlet is providing power, and the panel does not power back on, check the power supply with a voltmeter to ensure it is producing the correct voltage.