Replacement Part List

19
Troubleshooting
The following error codes may be displayed on the LCD display if the described fault conditions occur.
Error Code
Displayed
Description
of Error
Description of Condition Solution
EO1
DC input under
voltage shut down
• Unit shuts down
• The input voltage has dropped to below
the operation voltage limit of 10.7 V DC
• An alarm continues to beep once every
second until input voltage drops to 10.5
V DC
• The backlight turns red and ashes
• After the alarm continues for one minute,
the backlight and alarm will turn o. Only
the error code will be shown continuously
• The unit will automatically
reset once the fault
condition is removed
• If the condition is not
corrected and the unit
powers down completely,
it will be necessary to
press the ON/OFF button
to turn the unit ON again
• Charge the battery
immediately
EO2
DC input over
voltage shut down
• Unit shuts down
• The input voltage is greater than 15.5 V
DC
• The backlight turns red and ashes
• After the alarm continues for one minute,
the backlight and alarm will turn o. Only
the error code will be shown continuously
• The unit will automatically
reset once the fault
condition is removed
• Check if the DC input
voltage is over the input
voltage range
EO3
AC output overload
shut down and AC
output short-circuit
shut down
• Unit shuts down
• An AC load applied to the system in
inverter-mode is above operation limit
• Flashing backlight changes from pink
to red
• After the alarm continues for one minute,
the backlight and alarm will turn o. Only
the error code will be shown continuously
• Remove excess AC loads
• Reset of the unit is
required
• To reset the unit, turn if
OFF and back ON
EO4
System over
temperature
shut down
• Unit shuts down
• System internal temperature is above
operation limit
• The alarm will continue to beep once
every second
• Flashing backlight changes from pink
to red
• After the alarm continues for one minute,
the backlight and alarm will turn o. Only
the error code will be shown continuously
• Remove excess AC loads
• Reset of the unit is
required
• To reset the unit, turn if
OFF and back ON
• Check the system
ventilation and reduce the
load applied to the system