Heatilator CD4236IR won't light on battery backup

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msmhearth

New Member
Nov 6, 2021
2
Sammamish WA
Hello all, I tried to start our Heatilator CD4236IR natural gas fireplace during a recent power outage. Loaded two D batteries into the tray, unplugged the transformer, and flipped the wall switch. Nothing. Repeated same steps while also unplugging the fan I separately installed years ago. Still nothing. Any suggestions? Would love to avoid the service call if possible. Fireplace works fine otherwise. Contacted Heatilator but they weren't any help. Thanks.
 
Hello all, I tried to start our Heatilator CD4236IR natural gas fireplace during a recent power outage. Loaded two D batteries into the tray, unplugged the transformer, and flipped the wall switch. Nothing. Repeated same steps while also unplugging the fan I separately installed years ago. Still nothing. Any suggestions? Would love to avoid the service call if possible. Fireplace works fine otherwise. Contacted Heatilator but they weren't any help. Thanks.
I have found that the battery back up tray can be wonky sometimes. I have had to move the batteries slightly to make sure that they were in perfect contact with the contacts in the tray.
If you have a multimeter you can check to make sure that the batteries are delivering the proper voltage.
 
I have found that the battery back up tray can be wonky sometimes. I have had to move the batteries slightly to make sure that they were in perfect contact with the contacts in the tray.
If you have a multimeter you can check to make sure that the batteries are delivering the proper voltage.
Thank you for the suggestion, Lennox65. Those batteries are pretty snug, but I will double check the voltage, that's a good idea.