Roll Out Switch Open. SOURCE1 S102526392010 Control Rollout Switch Open145° Close 105 The smart valve flashes 4 flashes, indicating according to the manual "Main Limit or Rollout Switch is Open" If, after confirming the rollout switches are working normally, you reassemble the furnace but continue to get open limit or roll out switch errors, continue to the limit switch diagnostic.
Carrier 250f Manual Reset Spst Roll Out Switch HD Supply from hdsupplysolutions.com
Open up the furnace and locate the flame rollout switch If open longer than 3 min, code changes to lockout #7
Carrier 250f Manual Reset Spst Roll Out Switch HD Supply
LIMIT CIRCUIT FAULT (Status code 4) Indicates the limit, draft safeguard, flame rollout, or blocked vent switch (if used) is open Rheem-Ruud 62-105217-01 Integrated Furnance Control Board. If, after confirming that the limit switches are also working normally, you continue to get open limit or roll out switch errors, the furnace control board may be faulty and need replacement.
SWT02649 Trane SWT02649 SPST Rollout Switch w/ Manual Reset (240. diagram may have the color of the roll out switch wires, you can use that as a guide,Should be two wires somewhere near your main burner Rheem-Ruud 62-105217-01 Integrated Furnance Control Board.
SWT02649 Trane SWT02649 SPST Rollout Switch w/ Manual Reset (240. If the switch is faulty, it will show either high resistance or an open line Here is what happens when I turn the heat on: The draft inducer kicks on and runs for a few minutes, then turns off