Reddy heater 40, I have checked the photo cell it works, however when checking it I found if I shorted the terminals for the photo cell together
at a rate of 2-3 times per second it will run. Do I have a PC board problem?
It sounds like either the photocell or control board is defective and you aren't going to like the solution. There is not much way to troubleshoot the electronic components without DESA's HA1170 diagnostic tool. The new style heaters are akin to the new style cars- Put the new part on and see if it fixes the problem.
But, don't rule out that you have a slight air pump adjustment problem, which is causing the flame to be off-color, which will cause the photocell to shut the heater down. By quickly grounding the photocell terminals, you are merely tricking the system. Watch your knuckles!
Read these troubleshooting tips
Hi,
Here are a couple of tips that I
wrote that tell you how to troubleshoot a Torpedo or Reddy
heater...
Reddy
Heater - Troubleshooting Torpedo Heaters
Torpedo
Heater Pump Pressure Adjustment
heatman101
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