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Old 07-30-2003, 12:14 PM
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pesuazo pesuazo is offline
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Join Date: Oct 2002
Location: Near Raleigh, NC
Posts: 580
Another possibility is the relay sticking in the closed position.
GregS and Arthur Dalton have great suggestions (although I think is the opposite, the sensor drops its resistance as temperature rises, hence the sensor could be electrically "closed" at all times).
Unplug the temperature sensor, if the fan is still on, then the relay is likely at fault.
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