The Nintendo DSi was originally released in Japan in November of 2008, and came to North America in April of 2009. In that time, it has become the most popular handheld game console in the world. The console came with a few aesthetic changes from earlier DS models, such as a new matte black finish to resist scratches, and larger screens.. Control Board Issues: The DSI control board can malfunction due to a power surge or faulty wiring. This will cause the DSI to fail and stop working. Check Valve: If the check valve is not working correctly, it can prevent the gas flow. No Airflow: If there is no airflow in the exhaust system, the DSI will not ignite the gas flow system and will fail. No Water in Tank: If there is no water in.
Unfortunately, dead pixels are often a hardware failure and require professional DSi repair or screen replacement. [Link to a DSi parts supplier] 2.3 Backlight Issues. If the screen is dark but you can faintly see the image, the backlight might be faulty. This is a more complex DSi repair requiring specialized knowledge and tools. 3.. How to Fix DSI Fault in RV. When the DSI fault light turns on, it is a sign that something is wrong with the RV's water heater. There are several things that could cause the DSI fault light to turn on, including a lack of propane, a faulty igniter, a malfunctioning gas valve, a damaged circuit board, or faulty wiring.