48 VDC/12 VDC Converter (Model 04590)
g307998
Figure 54
1.
48 VDC/12 VDC Converter
2.
T1: Primary Controller
The 48V battery pack and the 48 VDC/12 VDC converter are used to supply the
12 VDC electrical system with power. The 48 VDC/12 VDC converter is located
under the right side cover below the T1: primary controller.
Testing the 48 VDC/12 VDC Converter
The 48 VDC/12 VDC converter and its circuit wiring can be tested using the
InfoCenter splash screen (battery icon); refer to
Using the InfoCenter Display for
Troubleshooting (page 3–39)
. If testing determines that the converter and circuit
wiring are not functioning correctly, proceed with the following test procedure:
1. Park the machine on a level surface, lower the cutting units, set the key
switch to the O
FF
position and remove the key from the switch.
2. Remove the right side cover.
3. Disconnect the 48 VDC/12 VDC converter from the machine wire harness.
Check the harness connectors for damage or corrosion and clean or repair
as necessary. Use a multimeter (VDC setting) to check the machine wire
harness connector.
Location
Harness
Connector
Pin
Wire
Color
Expected
Reading
Connector Graphic
1
Main
P07
3
Black/White
2
Main
P07
4
Tan
48 VDC
(nominal)
4. Connect the 48 VDC/12 VDC converter to the machine wire harness. Use a
multimeter (VDC setting) to check the machine wire harness connector (from
the back of the connector).
Greensmaster® eTriFlex 3360 and 3370
Page 5–49
Electrical System: Testing the Electrical Components
19239SL Rev B
