Bunn B10 Coffee Maker "mall hours" Questions

Light in the rocker switch for warmer is blown. Switch works; Warmer works can it be fixed got the pot in 03 (b10b) It's an easy fix. If you're handy with a soldering iron, you can get a replacement ...

...powder (not the same as lemon juice) and dissolve that chemical in water. I buy it in the Chinese Mall. Do not make a too strong acid. Shops sell maintenance powder which is the same but that is ...