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Alton, Ia | Have a nursery with an OLD Honeywell controller in it. Works, just don't screw with it. Unfortunately, moved iso-weans in the other day and the helper tried to change the temp. Pushed a few buttons, and now it just flashes EF. Powered barn off for 5 minutes, back on, no change.
Any ideas? (other than putting a newer one in)
 (20231101_152844 (full).jpg)
 (20231101_152926 (full).jpg)
 (20231101_153630 (full).jpg)
 (20231101_153642 (full).jpg)
Attachments
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 20231101_152844 (full).jpg (90KB - 159 downloads)
20231101_152926 (full).jpg (76KB - 167 downloads)
20231101_153630 (full).jpg (117KB - 168 downloads)
20231101_153642 (full).jpg (103KB - 165 downloads)
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Honeywell barn controller
