In STORE, the only real draw is the 4 solenoids. The solenoids used to be on 4- 10 amp fuses. 1- 10 amp per solenoid. What your problem points to, is, something in store is pulling excess current. The solenoids operate the same in extend. So, you need to observe if that fuse holder gets HOT like it does in store. I will bet it does. Your problem is, you NEED to replace the fuse holder. It has been compromised by the previous failure and THAT will cause resistance and heat. I would also disconnect each solenoid 2 wire quick connect 1 at a time and see if one of the solenoids is causing the heat. You could also disconnect all 4, hit store and see if the wire gets HOT. If NOT, then 1 of the solenoids is failing. Do NOT run in store more than 10 minutes. Those solenoids cannot withstand a constant power to them. After 15 to 30 minutes the coils WILL overheat and destroy the solenoid/s. Doug
