matson MA4INONE - LED Troubleshooting; Red Light Error Codes; Important Operational Notes

LED troubleshooting
Note:
1. While the battery is charging, the settings will not change
if you press down the “Battery Voltage Selection” key.
2. When the green LED switches on, the battery is fully
charged. You can disconnect now or leave the battery
connected proceed into Float mode.
3. Unplug the AC power cord and then unplug the DC output
cord to end charging.
LEDs
Description
Solution
Red
Light
Flashes 2
times
The charger isn’t
connected to the battery
or the DC fuse is broken
Connect the battery. If
there is no response,
check the fuse.
Flashes 3
times
The voltage of the
battery is too high or too
low.
Check the voltage of the
battery and select the
correct setting.
Flashes 4
times
The thermal sensor has
shorted out.
Thermal sensor is broken.
Please return to
distributor.
Flashes 5
times
Inside temperatures are
too high (Unit is too hot)
Wait for the unit to cool
down. The charger will
automatically restart.