Check the Main Board
If the power board does need to be removed from the metal shelf located
inside the generator, place it on a clean, insulated mat. Testing procedures for
the main board are as follows:
1. Several types of connectors are located on the main board. Check if all
these are connected properly.
2. Make certain that the connectors on the main board are properly connected,
then connect the generator to AC power and turn it on. Check if the voltage
values at all test points are within the spec range using a digital multimeter.
The voltage parameters to be tested are listed in table 5-6:
Voltage Checking
Test the voltage points on the main board and compare to the table below. If
each tested voltage value is within the corresponding specified range referring
to the table below, then the main board works normally. If the voltages are out
of the specified range, please return it to the factory to have it repaired or
contact SIGLENT.
Table 5-6 Test Voltages of the Main Board
Main Board Clock Checking
The main board clock is the internal system clock of the generator. To verify if
the clock on the main board is working normally, please test the clock using an
oscilloscope.
Table 5-7 Clock Source of the Main Board
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