SMA SUNNY BOY INVERTERS
Contents
1. CO2 saved Amount of CO saved during the operating time E Total Total energy yield Error Description of error Event Cnt Number of events Fac Power frequency Grid Type Type of power distribution grid to which the inverter is connected h on Total operating hours h Total Total number of operating hours in feed in operation Ldif Residual current lac Line current Ipv DC input current Max Temperature Maximum temperature measured at IGBT module Max Vpv Maximum DC input voltage Mode Current operating mode Pac Power fed into the power distribution grid Power On Total system startup counter Serial Number Inverter serial number Temperature Temperature measured at IGBT module Vac Line voltage L1 L2 Vac L1 Line voltage L1 N Vac L2 Line voltage L2 N Vpv DC input voltage Vpv PE Direct voltage to ground for troubleshooting PV ground faults Vpv Setpoint MPP tracking DC target voltage 24 SB30 40 BA eng BUS121010 User Manual2. 4 Operating the Display SMA America LLC 4 Operating the Display The display shows the current operating data of the inverter e g status power input voltage and errors or disturbances The displayed operating data is updated every 5 seconds The backlight shuts off automatically after 2 minutes You can operate the display by tapping on the enclosure lid e To activate the backlight tap once e To move on from a displayed message tap once e To display the serial number and designation of the inverter the firmware version and the status of the Power Balancer if active in succession during operation tap twice in succession 20 SB30 40 BA eng BUS121010 User Manual SMA America LLC 5 Troubleshooting 5 1 LED Signals The LEDs display the operating state of the inverter and indicate the messages in the display via various blink codes 5 Troubleshooting Figure 7 Position of the LEDs Position Description Status Explanation A Green LED Glowing Operation Indicates normal operation of the inverter Blinks 3 times per second Start The inverter is calibrating internal systems The calibration lasts 10 seconds and the inverter begins normal operation Stop The inverter has been set to stop mode manually Blinks once per second Waiting The inverter is checking the conditions for grid connection User Manual B30 40 BA eng BUS121010 21 5 Troubleshooting SMA A
3. merica LLC Position Description Status Explanation Goes out briefly Derating once per second At temperatures above 113 F 45 C the inverter continues to operate but reduces the power so as to protect the internal components from overheating Corrective measures e Ensure that the inverter has sufficient ventilation e Ensure that air is emerging from the fan enclosure If no air is emerging from the fan enclosure clean the fan enclosure see section 6 4 B Red LED Glowing Grounding fuse tripped The grounding fuse has been tripped or is missing The grounding fuse protects the PV plant if a ground fault is present in the PV array Corrective measures e Contact installer G Yellow LED Glowing Control system error The inverter is no longer feeding into the power distribution grid Corrective measures e Contact installer Blinking AFCI self test The inverter is performing an AFCI self test Glows for 5 s goes out for 3 s blinks twice Grid failure The power distribution grid has failed or the AC miniature circuit breaker has been triggered Corrective measures e Ensure that there is no power distribution grid failure If there is no power distribution grid failure contact the installer 22 SB30 40 BA eng BUS121010 User Manual SMA America LLC 5 Troubleshooting Position Description Status Glows for 5 s goes out for 3 s blinks 4 time
4. s Explanation High DC input voltage The inverter has detected a DC input voltage that is too high for safe operation Corrective measures Contact installer Glows for 5 s goes out for 3 s blinks 5 times Disturbance The inverter has detected an internal error that interrupts normal operation Corrective measures Contact installer B C Red LED yellow LED Glowing Ground fault The inverter has detected a ground fault The inverter will not restart automatically after detecting a ground fault Corrective measures Contact installer A B C All LEDs Glowing Initialization The inverter is initializing The available DC input current of the PV array is insufficient for feed in operation Data transmission is not possible during initialization A B C All LEDs None glowing Standby The inverter is in standby mode The input voltage is too low for operation User Manual B30 40 BA eng BUS121010 23 5 Troubleshooting SMA America LLC 5 2 Measurement Channels The measured values of the inverter are shown on the display in the measurement channels In addition you can read out a variety of measurement channels and messages from the inverter using special communication devices e g Sunny WebBox or a PC with the relevant software e g Sunny Explorer Measurement channel Explanation
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