Dimplex Duo300i Storage Heaters.

[insideout]

Hi

The advice is correct - both PCBs must be replaced at the same time. This is the Power Supply Unit Board AND the top control PCB. If the voltage from the PSU PCB is out of spec and just the top control is changed, it will be killed on power up. Likewise, if the top control PCB has a fault with it, it can then trigger a fault with the PSU PCB. You can be playing an even more expensive game of whack-a-mole by just doing one board and chancing it. Always change both together!

Hello, if I'm sending my PCB to be rapaired (if possible), does it mean that the top control PCB has to be replaced as well?