SunPowerCorporationDocument#001‐69178Rev**
15
If the “STAND BY” (Red) LED continues to illuminate when there is sufficient sunlight for
operation, verify all wiring connections are solid. See Section 4.0 Troubleshooting.
VACUUM FLOURESCENT DISPLAY
The vacuum fluorescent display will indicate the SunPower Inverter status and real-time power
output into the AC Grid. This display will provide the following information:
• AC power produced in real-time
• PV input in real-time
• Total Output as kW-hr
• Greenhouse gases saved in lbs
If a fault has occurred, the display will also provide a fault code that corresponds to a set of
defined faults. Please refer to Section 4.0 Troubleshooting.
4.0 TROUBLESHOOTING
If the SunPower Inverter’s “STAND BY” LED remains solid red or blinking red for a prolonged
period (more than 24 hours), the AC breaker or AC disconnect should be turned to the OFF
position for 1 minute and then returned to the ON position. After reset, if both AC and DC
operational specifications are met, the red LED is OFF and the green LED is illuminated. If after
AC is reset the red “STAND BY” light remains illuminated or blinking, double-check all
connections and voltage levels. If the red “STAND BY” light is still illuminated or blinking,
contact your authorized dealer/distributor for product support.
The LEDs will display the following light indicators when a fault has occurred:
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