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Rational SCC 202 service 34-6

Hello, I had the 21 service and then the 34-6.I figured out what the 21 was but i still can't get the oven started because of the 34 service. The 21 service occurred because of the chimney motor not being in the right position.As soon as i installed it i had to deal only with the service 34.I have already changed the ethernet cables that connects the control board with the motors but the problem remains. Do you have any suggestions what else should i check?

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34-6 is a service code associated with both the upper and lower oven fans not operating. Check the fan motors. there is a green LED. they should be on steady. If they are blinking, watch and count how many times it blinks before starting over. that is the error code associated with the fan motor. If there is no LED lit, then the fan power supply has failed. The fan failure is a hexadecimal code. "2" is the master fan failure, "4" is the slave fan. "6" is both fans. data to and from the fans is via the I/O PCB. There is a data cable from the operator pcb to the I/O PCB, then on to the fans. The problem can lie anywhere. Fans, PCB's, or data connections.

Posted on Mar 14, 2014

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SOURCE: rational combi oven service manual

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SOURCE: error " service 34 -6-

check polarity means you have the live and neutral to the oven swapped over, you need to change the live and neutral. service 34-6 means there is a communication problem with both the fan motors but this will probably be cured when you swap the live and neutral

Posted on Jan 06, 2010

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SOURCE: water is pouring out of the bottom of Rational oven SCC 101 E

theres a chance you have a deffective solenoid staying open causing the water to overfill the boiler tank and passing out the overflow into the quench box and down the drain!

Posted on Dec 21, 2010

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