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Troubleshooting
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Troubleshooting
Common Problems
The unit shuts down during operation for four main reasons:
• low battery—when the battery reaches approximately 10.6 Vdc for
more than four minutes with loads greater than 150 watts , or
10.8 Vdc for loads less than 150 watts. Low battery shutdown also
occurs when battery voltage reaches 10.4 Vdc for three seconds.
• 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
Table 4-1 lists problems you may encounter and offers suggestions to fix
them.
Table 4-1
Troubleshooting reference
Symptom Possible Problem Remedy
Loads will not start when there
is no shorepower.
Inverter is not turned on.
Batteries are at low voltage.
Inverter is too hot
Turn the inverter on.
Recharge the batteries by running
the engine or connecting to
shorepower.
Wait until the inverter has cooled
down.
Loads stop running almost as
soon as they start.
Load is too heavy.
Batteries are at low voltage
level.
Bad battery cable or corroded
battery terminals.
Batteries are in poor condition.
Reduce the load.
Recharge the batteries by running
the engine or connecting to
shorepower.
Check the cable and connectors.
Test and replace, if necessary
IP1012_AL.book Page 2 Tuesday, May 1, 2007 12:18 PM