Worcester 35CDi Mk I Manual de servicio descargar pdf (Pagina 33)

33

Remove multiway

connector from board

position ST16. Test

resistance across

contacts 17 and 18

(yellow & either black

wires). Is it between 1

kohm and 30 kohm?

Is there continuity

from contacts 17 and

18 to DHW sensor?

Check or replace

DHW sensor.

(Section 15.4.18).

Separate 6 way in-line

connector and check

continuity of red wires

to determine a harness

fault. Repair or replace

wiring

Is the multiway

connector at board

position ST16 pushed

fully home on to the

board?

Push fully home.

FAIL POINT I “Sensor Fault”

No

No No

Yes

Yes

Yes

Test resistance across

contacts 12 & 13

(red wires).

Is it between 1 kohm

and 30 kohm?

Is there continuity

from contacts 12 and

13 to CH sensor?

No

Repair or replace

harness or main

connector or in-line

connector.

No

Replace control board

(Section 15.4.11).

Yes

Yes

Check or replace

CH sensor.

(Section 15.4.17).

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