(7)
 Connect again the sensing element 15HF to the sensing element 16HF and then disconnect the sensing element 17HF from the sensing element 18HF. The meter shows that the resistance between pin 7B and ground is below 3 Kohms. The faulty element is this between sensing elements 16HF and 17HF.

 (8)
 Disconnect the sensing element 16HF from the sensing element 17HF and do a check of the resistance. The value is below 3 Kohms: the sensing element 16HF is thus the faulty element and you must replace it.

 1
R -EFF : ALL

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 --Nov 01/99 ---CES -