DD15 Troubleshooting – Section 9.1 Low Battery Voltage

Section 9.1
Low Battery Voltage

Check as follows:‪

ENGINE EXHAUST ‪
To avoid injury from inhaling engine exhaust, always operate the engine in a well-ventilated area. Engine exhaust is toxic.‪

1. Start and run the engine.
2. Measure the battery voltage; refer to OEM guidelines.
   1. If the battery voltage is greater than or equal to 10.5 volts, check for aerated fuel; refer to "9.2 Aerated Fuel" .
   2. If the battery voltage is less than 10.5 volts, replace the battery; refer to OEM guidelines.
3. Once the battery is replaced, start and run the engine.
4. Run the engine at idle with a no-load for approximately 5 minutes, allowing the engine coolant to reach normal operating range, 88-96°C (190-210°F).
   1. If the engine is not running rough or stalling, no further troubleshooting is required. Shut down the engine.
   2. If the engine is running rough or stalling shut down the engine. Check for aerated fuel; refer to "9.2 Aerated Fuel" .