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7. Fault codes and warning indicators
The inverter has indications for error or warning conditions. An error is defined as a critical fault that shuts the unit
down. A warning is a non-critical fault that allows the unit to continue operating. Some warnings may become errors if
left unattended.
Fault code
Event
Solid icon
01
Fan is locked when inverter is off
02
Overtemperature
03
Battery voltage is too high
04
Battery voltage is too low
05
Output is short-circuited or has been overtemperature is detected
by internal converter components
06
Output voltage is too high
07
Overloaded output (timeout has expired)
08
Bus voltage is too high
09
Bus soft start failed
11
Main relay failed
Warning code
Event
Audible alarm
Flashing icon
01
Fan is locked when inverter
is on
Beeps three times every second
03
Battery is over-charged
Beeps once every second
04
Low battery
Beeps once every second
07
Overload
Beeps once every 0.5 second
10
Output power derating
Beeps twice every 3 seconds
12
Solar charger shuts off due to
low battery
None
13
Solar charger shuts off due to
high PV voltage
None
14
Solar charger shuts off due to
overload.
None
Battery equalization is
occurring
None
Warning indicators
Summary of Contents for FIO-P11K12
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