Bock 32E Water Heater Stopped Firing


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Old 04-18-21, 10:08 PM
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Bock 32E Water Heater Stopped Firing

Hello. I have a Bock 32E water heater. It’s controlled with a Carlin EZ-Temp aqua stat. I came downstairs yesterday and the aqua stat was buzzing, stuck on “Call For Heat”, but there were no noises, lights or activity from the burner unit. I have unplugged several times, it always goes back to “Call For Heat”. Any ideas? Thank you.



 

Last edited by Grizzle; 04-18-21 at 10:10 PM. Reason: Lacking description
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Old 04-19-21, 04:36 AM
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Is the burner primary tripped?
 
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Old 04-19-21, 08:17 AM
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Is a tripped burner primary a condition where you have a blinking light on the burner, next to the control module? If so, that isn’t happening. I have pressed the little red button on the burner and watched it and there is no activity whatsoever. If that’s not what you’re talking about, then I probably missed it.
 
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Old 04-19-21, 08:27 AM
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It will blink in a lockout.
If that’s not the issue you’ll have to get your meter out and trace where the power is dropping out. You’ll be testing live high voltage.
 
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Old 04-19-21, 08:43 AM
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Ok, yeah there’s no blinking. It has a code on the burner control module thing that illustrates how it would blink in a “lockout” or “latch up” or something, but I have no light, at all. So open the control module on top of the burner, plug it in and see if there’s 110v coming in from the aqua stat control? That makes sense.
 
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Old 04-19-21, 09:12 AM
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Check and see if the aquastat is closed, then check the primary for power.
 
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Old 04-19-21, 10:23 AM
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Sorry but what does the aqua stat being closed mean? Like, open the box and check to see if the circuit closed and should be sending power to the burner?
 
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Old 04-22-21, 04:55 AM
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Hi, it appears you have a call for heat because the light on the control is lite, Hi limit on that control could be opened.
fill in the blanks in this link and see if it is helpful.

https://oemguide.carlincombustion.com/oil_appliance/
Geo 🇺🇸
 

Last edited by Geochurchi; 04-22-21 at 05:13 AM.
 

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