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M-SV-001-EN Rev. G
• • • CAUTION • • •
Use your ESD wrist strap before touching the Soft Start Board or any electronic components.
NOTE
This would be a good time to perform a visual inspection of the top-side electronics to determine if there is any visual damage
present. Also at this time, it is suggested to verify the integrity of the fuses if you have a Closed-Top Soft Start.
4. Confirm the integrity of the fuses and resistors in the DC bus test harness by using a
multimeter set to resistance. Check each cable individually. Refer to "Figure 1-11 DC Bus Test
Harness Diagram (Closed-Top Soft Start)" and "Figure 1-12 DC Bus Test Harness Diagram (Open-
Top Soft Start)"for harness fuse and resistor locations. The reading for the resistor should be
approximately 100kΩ and the reading for the fuse should be 29Ω.
5. Continue to the appropriate section below based on the particular Soft Start.
1.10.2 DC Bus Test Harness Installation for Closed-Top Soft Start
1. Disconnect the J1 and J7 connectors on the Soft Start Board. Refer to "Figure 1-13 Soft Start
(Closed Top)".
Figure 1-13 Soft Start (Closed Top)
2. Connect the two (2) plugs of the compressor cable harness into the corresponding sockets of
the DC bus test harness. Refer to "Figure 1-14 Connect DC Bus Test Harness (Closed-Top Soft
Start)" for this and the following step.
Figure 1-14 Connect DC Bus Test Harness (Closed-Top Soft Start)
J1
J7
To J1 on Soft
Start
To harness
for J1
To harness
for J7
To J7 on Soft
Start
Multimeter
Jacks
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