Magnum Energy MMS Series Owner's Manual page 50

Table 4-1, Troubleshooting Guide (Cont.)
Symptom
Internal Fault This fault occurs when
(the status an internal fault is
indicator blinks detected.
x5/4 secs)
Inverter's Inverter is switched
status light is OFF or there is no
off. DC voltage (battery)
connected to inverter.
AC input won't The incoming AC
connect (AC voltage will not be
IN on remote accepted if it is below
blinks) the VAC Dropout setting
(80VAC = default
setting).
Appliances Loose AC output
turn off and connections.
on; or there is
Loose / corroded
low AC output
battery cables.
power.
Low batteries.
While charging, If the Battery
the DC charge Temperature Sensor is
voltage is installed, it will increase
higher or lower or decrease the DC
than expected. voltage level depending
on temp around the
battery sensor.
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Maintenance and Troubleshooting
Possible Cause Recommended Solution
To clear this fault, an
inverter reset is required.
Remove DC power to the
inverter or press and hold
down the power switch on
the inverter for 15 secs (till
green Status LED comes
on). If this fault does not
clear, the unit will need to
be serviced.
Switch the inverter ON.
Connect a battery with
correct voltage to the
inverter.
Check incoming AC voltage
to input of the inverter,
ensure it is present and
above the VAC dropout
level.
Tighten AC output
connections.
Clean and tighten all
cables.
Recharge or replace
batteries.
This is normal.
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