My ceiling fan capacitor melted and I cannot identify one of the 3 capacitances. I can see the following values: 2uF+ (one digit only but illegible) +2.5uF. Is there any way to know the unreadable value? The fan is unfortunately not branded.

 Identifying the missing capacitance in a ceiling fan capacitor can be a bit tricky, especially when the markings are partially illegible. The capacitance values marked on capacitors in electronic devices like ceiling fans typically play a crucial role in their proper functioning. In your case, with the visible values of 2uF and 2.5uF, determining the unreadable capacitance becomes essential to ensure the fan operates correctly.

One possible method to estimate the missing capacitance involves using a multimeter with a capacitance measurement feature. Begin by disconnecting the capacitor from the circuit to isolate it for testing. Then, employ the multimeter to measure the combined capacitance of all three capacitors when connected in parallel. This reading will represent the total capacitance of the three capacitors together.

Once you've obtained the total capacitance, subtract the sum of the known values (2uF and 2.5uF) from this total. This calculation will yield an estimate of the missing capacitance value. Although this method provides an estimation and might not yield the exact value, it can guide you in selecting a replacement capacitor close to the required capacitance to restore the fan's functionality.

Remember, when replacing the capacitor, ensure the new one has a capacitance value close to the calculated estimation to avoid any potential issues in the fan's operation. Always exercise caution when dealing with electrical components and consider seeking professional assistance if unsure about the procedures involved.