Mastervolt AC Master 12/2500 Manuel D'installation page 21

LED color LED indication
Red
Intermittent blinking
Red
Fast blinking
Red
Slow blinking
Red
Solid (+ audible beep)
Red
Intermittent blinking
Red
Intermittent blinking
Buzzer
The inverter is equipped with a buzzer. The buzzer sound is audible at start-up and when an error
occurs.
Meaning What to do?
recharge the battery.
Shutdown: Check the airflow through the
Internal inverter. The operation of the cooling
temperature fan may not be blocked.
too high
Shutdown: Check battery voltage and switch off
charger.
DC-input
voltage too
high
Shutdown:
Check if DC input voltage is too low
because of voltage drop across the
DC-input
DC cables due to too long or too
voltage too
narrow cables. Reduce the length of
low
the DC cables or use cables with a
larger gauge.
Loose or corroded connections:
Tighten the connections; burnt cables
must be corrected immediately.
Flat battery: Disconnect the load and
recharge the battery.
Shutdown: Reduce the load and/or check the AC
Over Load wiring for possible short circuits. Then
Protection reset the inverter manually by
switching the main switch off and on
again.
Shutdown: Contact your reseller.
Fan failure
Shutdown: Contact your reseller.
Hardware
failure
21
ENGLISH