Original message
| mgtbeck
 |  "Honeywell Chrontherm III reading"
, posted Sat 17 Jun 14:06  
Hi,
Sorry can't find the manual. Read out says -AC and don't seem to getting any connection from thermostat to unit. No heat, no AC, no manual fan. Replaced batteries last month. Suggestions? What does that readout mean? Thanks.
Brian
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Replies:
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| qbeanie
| "Re(1):Honeywell Chrontherm III reading" , posted Thu 6 Jul 21:45
I just had the same problem. The control fuse on the 24 volt control board was blown. $1.28 at ace hardware and 1/2 labor to troubleshoot.
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| acefurnacefixer
| "Re(1):Honeywell Chrontherm III reading" , posted Sat 17 Jun 16:48
-ac means the t-stat is running off the batteries, there is no power to the unit.
Yes! I CAN fix that!
Excuse my spelling......I am paid to fix it not spell it.
Music is meant to be heard not felt......TURN DOWN THE BASS!
http://www.white-rodgers.com/wrdhom/index.html
http://www.hillary.org
Credentials:
Epa certification
Certified Master technician
Specialized training by Lennox Trane American Standard Carrier Honeywell and Whiterogers.
Certified By Trac-pipe.
410A certified by Lennox
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