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Troubleshooting
4–2
Troubleshooting
Common problems
The unit shuts down during operation for four main reasons:
• low battery—when the battery reaches approximately 11.8 Vdc (for
loads greater than 150 watts) for more than four minutes, or 12.3 Vdc
for loads less than 150 watts.
• high battery—when the battery voltage exceeds 16 Vdc
• overload—when the AC load connected to the inverter exceeds the
rated load
• over temperature—when the internal temperature thresholds are
reached
This table lists problems you may encounter and offers suggestions to fix
them. Refer to Table 4-2 and Table 4-3 for explanation of the blinking
LEDs.
Table 4-1 Troubleshooting reference
Symptom Possible Problem Remedy
Loads will not start when there
is no shorepower
Inverter not turned on
Batteries at low voltage
Inverter too hot
Turn the inverter on
Recharge batteries by running the
engine or connect to shorepower
Wait until inverter has cooled
down
Loads stop running almost as
soon as they start
Load is too heavy
Batteries at low voltage level
Bad battery cable or corroded
battery terminals
Batteries in poor condition
Reduce the load
Recharge batteries by running the
engine or plug into shorepower
Check cable and connectors
Test and replace, if necessary