Displays and Messages SMA America, LLC
70 SB50US-80US-IA-en-36 Installation Manual
Message 4: Energy output accrued since the installation
of the inverter and the total operating hours.
Error Messages
If a fault occurs, the LCD switches into "Fault" mode and the background illumination is activated.
The upper line of the display shows one of the following fault types:
Interference
The Sunny Boy has detected a problem with the
frequency of the power distribution grid. The message
ends automatically as soon as the fault is rectified.
Interference is caused if a measured value exceeds a
preset limit.
The display shows the value of the fault (at:) as well as the
current value for the corresponding parameter (present:).
Warning
The GFDI fuse is cleared. Warning messages display a
plant status that must be investigated. The inverter may be
operational despite a warning message.
Error
The inverter has detected a problem with the internal
ROM. A fault status prevents a restart of the inverter until
the fault is rectified.
Knocking on the lid of the inverter takes you to the next display message.
Each error message is displayed for 5 seconds. After 5 seconds, the LCD scrolls through
the regular operation messages.
The error message will be displayed in the display sequence until the fault is rectified.
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