Defect Code 31

Defect code: 31, Air flow control wheel

Explanation: This defect code is stored when there is a short to ground, to plus or a break at the connector, black Pin 23.

Effect of defect: If the defect is a current defect, a substitute value of 100% is used.

Possible cause: Voltage supply not OK, wire or control wheel defective.

Troubleshooting: Check voltage supply (approx. 5 V) of control wheels as well as wires and repair or replace component as required.