Benetone Stirling Burner with LOA21

[Bananahands]

My burner above was completely submerged during a flood at the weekend.
Have stripped it down and dried it all out. Replaced the pump as it had a tight spot. Replaced the motor bearings also. Everything sounds sweet but it goes to lock out after about 10secs purge. Is the fault likely to be the flame sensor giving a spurious signal during the purge or could it be the controller. I have stripped the box down to dry it out properly. Are there any checks I can do with a multimeter?

 

[ajrtd]

I'd bet its the photocell too, you'll need to change it.

 

[Bananahands]

I thought it had to be to but when I disconnected one of the wires to the sensor and ran it I got the same result, I thought it should have lit for a few seconds then locked out when the flame wasn't sensed.

 

[Agile]

Is it sparking?

Water plays havoc with 14,000 volt ignition supplies!

Tony

 

[ajrtd]

at 10 seconds you're still in the pre-purge stage the eye will be checking for false light. Photo cell don't like water it will be screwed.

If you turn off the oil drop out the burner and remove the blast tube you can check if the electrodes are sparking correctly.

 

[AlanE]

Replace photocell & control box.

 

[Bananahands]

It lights up fine if I link the oil solenoid to the mains feed so the ignition and oil side is fine. Think I will just replace the box and sensor and be done with it.
Thanks guys