Warning: Incorrect registry edits can damage your OS. Back up your registry first (File > Export).
Getting this fixed doesn't always require an expensive service call. Here is a step-by-step guide to troubleshooting and resolving the RFN004 error. What Does the RFN004 Code Mean?
The system must trigger an alarm when the battery level drops below 20%. If this is not working, check the power management module's code to ensure the threshold is correctly defined and the notification interrupt is active. 3. Business Systems (Asset Management)