Service mode LED
1. To enter service mode, push 3
buttons simultaneously until
binary code is visible
2. Then calculate or read in the
table which error you see.
!!! Note : When supply voltage
12 VDC (low current voltage) is
not available, no error code will
be given. When 12 VDC is
available the green power LED
will be on. If battery pack is
empty you can see a red light !!!
Troubleshooting
N3000 - series
Readout Code
- LED Display
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