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Troubleshooting
3–4 975-0288-01-01
E06 AC Output
Overload
Warning
System is still operating but AC load
applied to the system in inverter mode is
close to shutdown limit.
Alarm will beep once every two seconds
until the warning condition is removed.
Unit continues to run.
If the warning is ignored, the
unit will eventually go to the
E03 fault condition.
E07 System Over
Temperature
Warning
System is still operating but system
internal temperature is close to shutdown
limit.
Alarm will beep once every two seconds
until the warning condition is removed.
Unit continues to run.
If the warning is ignored, unit
will eventually go to the E04
fault condition.
E09 Ground Fault
Fuse Open
Warning
Unit shuts down.
A ground fault has been detection.
Turn the unit off. Check all DC
Input connections (PV, wind
etc.) and repair any faults or
damage. Replace the ground
fault fuse (see page 3–10) and
restart the unit
Table 3-1
Error Codes for Troubleshooting the PowerHub 1800
Error Code
Displayed
Description
of Error Description of Condition Resolution