Up until recently, this boss PH-3 was working perfectly. It has now developed a very common fault to this series, which is easily repairable.
Capacitor C51 needs to be replaced. I have a brand new replacement capacitor which I will include with the pedal. This replacement capacitor exceeds the specifications of the stock capacitor, which would help future-proof the unit.
It’s a pretty simple soldering job, you can Google around for it. Essentially, just remove the old C51 capacitor and solder this one in.