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Question About Trane Thermostat XT500C
thermostat backlight going on and off...

recently my thermostat's backlight began to come on and off. i thought this might be an indication to change a battery. i reviewed the owner's guide but could not find anything regarding this condition or changing of a battery. does the unit utilize a battery and if so where do i find information on changeing it. thanks in advance for any assistance with this.

Asked by ronald loheide on 05/12/2008 6  Answers

ManualsOnline posted an answer 16 years, 5 months ago

The ManualsOnline team has found the manual for this product! We hope it helps solve your problem. Get the Manual Here

ralph posted an answer 16 years, 3 months ago

2 my thermostat lights are off and ac is not working. looked for fuses or batteries could not find them. any assistance would be grateful
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Mike posted an answer 16 years, 3 months ago

0 This is usually an indication it is time to change the filter, once you change press and hold the filter button until the days reset to 0.
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Tom posted an answer 15 years, 7 months ago

0 you need to reset your filter indicator timer...page 26 of owners guide
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Jim Lathrop posted an answer 15 years, 1 month ago

0 I have same problem...know that filter should be replaced. Can I do that myself? Where/how can I get instructions? Many thanks.
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Jim Lathrop posted an answer 15 years, 1 month ago

0 I have same problem...know that filter should be replaced. Can I do that myself? Where/how can I get instructions? Many thanks.
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