New Holland CX720 Repair Manual page 1489

B. If the voltage reading is less than 10 volts, there is excessive resistance between the fuse panel and
CCM1. Inspect wires 047 & 052 red to CCM1 connector X018 pin J1-1 for loose or corroded connections,
or damage to the wires.
5. Start the combine engine. Enter the InfoView Monitor - "Diagnose info" screen.
Select "Supply" sub menu.
Select "CCM1 Battery Voltage". With the engine RPM at low idle, engage road and work lights. Check voltage
range.
The acceptable voltage range for the module is 10 - 18 volts
A. If the voltage reading is between 10 - 18 volts, continue with Step 6.
B. If the voltage reading is less than 10 volts, the alternator and/or regulator may have failed, and the charg-
ing system is not producing sufficient voltage. Refer to Alternator - Testing (A.30.A.82 - G.40.A.20) for
additional alternator testing information.
6. Erase the error code and continue operation.
A.
Series 1206-1347
Wiring harness - Electrical schematic frame 23 (A.30.A.88-C.20.E.23)
Series 1348 and above
Wiring harness - Electrical schematic frame 29 (A.30.A.88-C.20.E.29)
DISTRIBUTION SYSTEMS - ELECTRONIC SYSTEM
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