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• Posted in thread: Trane XE90 LED Troubleshooting Codes on 11-10-2011 at 08:36 AM
  High limit switch is a device to shut down the system in the event of an over-heating condition
  in the combustion chamber. There are dozens of types of switches being used. Some are manually
  resetable...

• Posted in thread: High limit problem on Trane XE90 on 11-10-2011 at 08:33 AM
  You mentioned that you reset the switch, mine is blinking 4 timesbut I don't know how to reset
  the switch

• Posted in thread: XE90 Gas Furnance, LED 4 blinks on 11-10-2011 at 08:27 AM
  Hi, I'm new here and don't know how to post but Ive been reading this thread,Someone mentioned
  the Open High Limit Switch on a Trane XE 90, (LED blinking 4 times) I think thats whats wrong
  with my uni...

• Posted in thread: Trane XR90 - Pressure Switch on 11-10-2011 at 08:20 AM
  Hi, I'm new here and don't know how to post but Ive been reading this thread,Someone mentioned
  the Open High Limit Switch on a Trane XE 90, (LED blinking 4 times) I think thats whats wrong
  with my uni...

• Posted in thread: cost to replace board on Trane XE90 on 11-10-2011 at 08:18 AM
  Hi, I'm new here and don't know how to post but Ive been reading this thread,Someone mentioned
  the Open High Limit Switch on a Trane XE 90, (LED blinking 4 times) I think thats whats wrong
  with my uni...

• Posted in thread: Trane xe90 Blower Motor Not Kicking in on 11-10-2011 at 08:16 AM
  Hi, I'm new here and don't know how to post but Ive been reading this thread,You mentioned the
  Open High Limit Switch, I think thats whats wrong with my unit, where is it located? There are
  two wires ...