ac/heater unit will not *#1068-300

Problems related to residential installations.

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ac/heater unit will not *#1068-300

Post by DUDLEYDL » Wed Dec 19, 2012 10:06 pm

my draft blower will not cont. to run it only runs for about 5 to 6 seconds then shut down. the led light flashes 5 times what is the code r meaning to that (help). rudd control board #1068-300 MOD.URKALA024JK082

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- * unit will not work.*#*

Post by Freon » Thu Dec 20, 2012 3:18 pm

Find where the draft motor plugs into the control board. Unplug it, have someone call for heat and you CAREFULLY test the voltage at the control board. If you see 120 volts at the plug on the control board for more than the 5 to 6 seconds then the draft motor could be the problem. However if the voltage at the board drops to zero then the board may be the problem. Check the board for cold solder joints and especially around the relay that switches the 120 volts to the inducer motor

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