Section 6.1 Discharged Battery

Section 6.1
Discharged Battery

To determine if a discharged battery is causing the engine not to start, measure and record the voltage at the battery terminals; refer to OEM guidelines.‪

  1. If, after charging, the voltage recorded is below OEM specifications, voltage is between 10.5 - 14 volts, and the engine failed to start, replacement is necessary; refer to "6.1.1 Discharged Battery Resolution" .
  2. If the voltage recorded is at recommended OEM specifications and the engine failed to start, check the magnetic switch; refer to "6.2 Defective Magnetic Switch" .

Section 6.1.1
Discharged Battery Resolution

Perform the following steps for battery replacement:‪

  1. Replace the battery; refer to OEM guidelines.
  2. Verify replacement of the battery; refer to " Test Engine with New Battery" .
Test Engine with New Battery

To determine if the new battery resolved the no start condition, perform the following steps:‪



To avoid injury before starting and running the engine, ensure the vehicle is parked on a level surface, parking brake is set, and the wheels are blocked.‪

  1. Attempt to start and run the engine, if the engine starts and runs, no further troubleshooting is required. Shut down the engine.
  2. If the engine fails to start or run, check the magnetic switch; refer to "6.2 Defective Magnetic Switch" .

EPA07 MBE 900 DDEC VI Troubleshooting Guide - 6SE580
Generated on 10-13-2008

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