Quote:
Originally Posted by hunds02
I understand this, which is why I didn't add any and immediately disconnected the can. But I feel like no one is addressing my main issue. That issue is that these pressure readings are not reliable if the aux fan is off, I don't know by how much but I need to know. Maybe I really have like 25 psi, I will never know what the actual pressure is since the aux fan is not coming off.
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You need to back probe the electrical connector on the aux fan to see if there is voltage. If the reading is OK, the fan will need to be replaced.