Series 60 DDEC VI Troubleshooting – Section 11.1 Low Battery Voltage

Section 11.1
Low Battery Voltage

To determine if a weak battery is causing rough running or stalling, perform the following steps:‪

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 "11.2 Aerated Fuel" .
   2. If the battery voltage is less than 10.5 volts, replace the battery; refer to "11.1.1 Battery Replacement" .

Section 11.1.1
Battery Replacement

Perform the following steps for battery replacement:‪

1. Remove and replace the battery; refer to OEM guidelines.
2. Verify battery replacement; refer to "11.1.1.1 Test Engine with Replaced Battery" .

Section 11.1.1.1
Test Engine with Replaced Battery

Perform the following steps to determine if the battery replacement resolved difficulty:‪

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. 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 "11.2 Aerated Fuel" .