DUCANE HEATER, led blinking red 3 times

Old 09-04-10, 11:27 AM
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DUCANE HEATER, led blinking red 3 times

I have a ducane heater i been using it for about 7 years now with no trouble, This year the batteries went dead in the thermostat i changed them about 1 month later when i needed the heater, went to turn the heater on and it did not work, I checked the LED
light is red blinking 3 times, any idea what it can be?

Model MPGA075B3B
ser. 746831040720551002

thank you
Old 09-04-10, 04:03 PM
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You call it a heater rather than a furnace. Can you desribe the unit more, and where it is located? Then say if it makes any sound at all. Codes can vary by make and even by year depending on all the ammenities of the unit. I can diagnose furnaces quite well without even knowing the code, if I have (even)enough (visual)info about say a furnace. There are only so many basics involved in these units.

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