Defect Code 25

Defect Code 25:

*D* Defect code memory: 25 Temp. control wheel left:

Explanation: This defect code is stored when there is a short to ground, to plus or a break at connector blue Pin 4.

Effect of defect: If the defect is a current defect, a substitute value of 24 °C is used.

Possible cause: Voltage supply (approx.. 5 V) not OK, wire or pc-board of operating unit defective.

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