SunPower
Corporation
Document
#
001
‐
69178
Rev**
14
6.
IT IS RECOMMENDED THAT YOU ATTACH A PADLOCK AT THIS TIME TO
PREVENT UNAUTHORIZED ACCESS OR DAMAGE TO THE INVERTER.
7.
After 5 minutes, the SunPower Inverter will start to produce power into the AC grid if all
necessary operating conditions are met.
NOTE: During the initial 5 minutes prior to producing power, the inverter will display
“0000 0000 0000”. This is a normal.
3.2 LED Indicator Lights/Vacuum Fluorescent Display
LED INDICATOR LIGHTS
The SunPower Inverter SPR-5200, SPR-4600 all display 2 LED indicator lights visible through
the upper left corner of the front panel. These lights will indicate the SunPower Inverter’s
status.
If the SunPower Inverter’s operating environment is safe to produce power into the AC grid,
the “OK” (Green) LED is illuminated.
If at any moment the operating environment moves outside the safe operating limits, governed
by UL 1741, IEEE 519, and NEC 690, the “STAND BY” (Red) LED indicator will be illuminated.
The SunPower Inverter is continuously monitoring:
1.
The AC grid connection to ensure the AC voltage and frequency levels are within safe
operating limits (per UL and NEC specifications).
2.
The DC PV panel input(s) to ensure safe operating conditions (per UL and NEC
specifications).
3.
The SunPower Inverter itself to ensure only safe operating conditions exist within the
operating environment.
If all 3 conditions are met the inverter will illuminate the “OK” (Green) LED.
If any one of the operating conditions is not met there is a fault and the SunPower Inverter will
illuminate the “STAND BY” (Red) LED.
The “STAND BY” (Red) LED will illuminate when the PV panel voltage is not within safe
operating limits. This will occur at sunset, when the inverter will turn off for the night. Anytime
the level of sunlight is too low for the PV panels to produce 205 volts of DC for the SPR-4600 &
240 volts of DC for the SPR-5200’s, the inverter will turn off. This ensures only safe and clean
(low distortion) power is being generated. When the panels are once again exposed to enough
sunlight, the SunPower Inverter’s auto-start feature will begin, and after 5 minutes, the “OK”
(Green) LED should illuminate
