I took a lightning strike to my house, or in the very close vicinity about 2 months ago. Took out nearly everything electronic in the house. Ugh, still repairing things. My question surrounds a Pentair Master Temp 400 heater which went out.
After the lightning strike, I had to replace the inline fuse from the Aqualink system which turns the unit on, the main Control Board, and the Ignition Control Module. Everything worked for about 30 days though we only used the hottub twice.
This weekend, no heat. Everything appeared normal... fan turns on, yellow light comes on solid, gas valve comes on, no ignition. Yellow light blinks for a while and it repeats the process. No diagnostic failure LEDs. Noticed a little black smoke residue around the five connector white connector plug (S1/120, L1, L2, S2). Removed and opened up the ignition control module and the back of the PWB had black residue where something had obviously burnt. Ordered a replacement Ignition Control Module from Pool Supply Unlimited who I must say had the BEST customer service I have seen for a while (offered to send out replacement part today, and would credit my account when the defective part was sent back handling the warranty claim for me).
Now the question - Could something else downstream (like the igniter) also be bad that caused the Ignition Module to be bad? Or was this new failure just Infant Mortality? Called tech support at Pentair and they said nothing else downstream could have caused this failure. But hottub has to be working this weekend for a big party so can't chance it. Any of you pool experts been down this road before?