sol-ark 8K - Troubleshooting Guide; LCD is not powering on; Panels are connected but DC Light is not on; Panels are not producing

August 3, 2019 34
Troubleshooting Guide
• LCD is not powering on
o Check all connections
▪ At least one of the following power sources is required: PV/Grid/Battery
o Try pressing the power button. Or touchscreen or navigation button.
• Panels are connected but DC Light is not on
o PV voltage must be 150V-500V
o It’s night
• Panels are not producing
o Check all solar panel connections are wired properly
o Turn on PV disconnect
o Check that the PV input voltage is not greater than 500V
o If system says PV=0V, check PV polarity
• Panels are not producing much power
o PV Wire Strip Length: 5/8”. Try setting system to Grid Sell.
• System not keeping batteries charged
o Check the charge setting in the Charge Menu
• Auto Gen-Start not working
o Check to make sure your generator is compatible with Auto Start
o Make sure that the Auto Gen Start wire is connected properly to the Sol-Ark 8K and the generator
• Normal LED isn’t on
o Sol-Ark 8K is not working properly (Call us)
• Alarm Light is on
o Check the system alarms menu to see which alarm has been triggered
• Grid HM value is negative when it should be positive (only applies in limited home mode)
o Limiter Sensors are installed backwards or L1/L2 sensors are swapped or L1/L2 sensors mis-wired
• AC Overload Fault or Bus Unbalance Fault
o Check Transfer Switch/Subpanel wiring
o Check for large loads that pull more than the inverter is rated for (EX: AC units over 4 tons)
• System connects to grid and quickly disconnects
o With a DMM, verify your Neutral wire is connected (should be 0Vac referenced to GND)
o Check your Freq is set to 60Hz and the 8K see’s 120V on L1 & L2 to N.
o If overloading: verify 120/240V grid input and load output wires are not swapped.
o If 120/208V, the L1 and L2 are phase specific. So, you may have to swap Grid L1 L2 for 208V applications.
• DC Overload Fault
o Check PV voltage
o Make sure you have not wired more than 2 solar stings in parallel
• System is beeping
o Check the system alarms menu to see which alarm has been triggered. Most alarms will self-reset.
o There is no battery connected. If not using a battery, select no battery in the setup Batt menu.
▪ To fully reset system, turn off center button, remove AC Grid and PV Power for 30s (screen is
dead), then power up.
• Battery cable is sparking when connected
o Use included resistor to connect the batteries (for the first time) to charge inverter capacitors before
fully connecting to batteries (see installation guide)
• Battery symbol on home screen is red
o Battery is under voltage or over voltage