E Series Service Manual
9650-1450-01 Rev. D 1-11
4.0 Power Supply Test (Optional)
Tools Needed:
• 1 red miniature alligator to miniature alligator test lead.
• 1 black miniature alligator to miniature alligator test lead.
• DC power supply (15 Amp minimum).
• 0.1 ohmresistor (¼W or greater).
• 1000 ohm 1% resistor (¼W or greater).
• Fluke 75 multimeter or equivalent.
Test Setup:
1. Make sure the unit and power supply are turned off.
2. Connect one end of the black lead to the “-” terminal in the battery well.
3. Connect the other end of the black lead to the “-” terminal of the power supply.
4. Connect the red lead to “+” terminal socket of the battery well. Use the middle pin with the plastic guard around it. Connect the other end of the red lead
to the “+” terminal of the power supply.
5. Set the power supply voltage to 7V.
Caution Be sure to connect the power supply properly to the E Series battery well terminals or damage to the unit may result. Do NOT raise the
power supply voltage above 12V.
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