Recent content by markharris

  1. M

    Replacing a Jandy 8124a?

    Good troubleshooting tip, but I confirmed It's the board. The sensor swap doesn't fix the issue. Jandy says in their tech note that there is a Transorb (1.5KE10A) across each sensor port which may be blown. Easiest fix is to just SNIP it off. I will try and replace it first since I have some...
  2. M

    Replacing a Jandy 8124a?

    Hi, I have a Aqualink RS 8124a (assembly 8125) board with a HIGH reading on the water sensor. Way high (115-degrees). The trouble shooting says to replace the power PCB. The original is a Assembly 8125 with a PPD 8156MMM. I have been given a used but working 8124a unit with a 8159K PPD. Should...