White Knight 43A, Installation And Service Instructions Manual

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8
Chart 1.
Motor does
not run
START
Exchange R.F.I. filter, does motor
start?
Correct as necessary
does motor start?
Check fuse and mains cable for
continuity, does motor start?
Check br/w wiring from input terminal
to door switch. Check connections
clean and tight, does motor start?
Exchange door switch
does motor start?
Check br/w wiring for continuity
Connections tight, does motor start?
Change timer,
does motor start?
Is electrical continuity across both live and neutral
paths of R.F.I. filter?
Check door closed, timer ON
electrical supply ON
Is voltage between L and N on Input terminal
230V?
Is voltage between input to door switch and
Neutral 230V ?
With door closed is output from door switch
230V ?
Is voltage at input to timer (br/wires) 230V with
door closed?
With door closed, timer ON (30 min) is voltage between
terminal B12 on timer (orange wire) and TB-N 230V?
Substitute capacitor. Does motor run?
Refit capacitor, change motor.
With motor running does gas attempt to light?
Does gas light?
Does gas stay on?
Machine operating. Instruct
users as necessary
Yes
Yes
Refer to chart 2
No
No
No
No
No
No
No
No
No
Refer to chart 3
No
Refer to chart 4
No
No
No
No
No
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
FAULT FINDING
In the event of an electrical fault carry out the preliminary electrical system checks i.e. earth
continuity, polarity, and resistance to earth.
Use each chart to locate the fault causing the dryer to operate incorrectly as follows:
Chart No.
1 Motor does not run.
2 Motor runs but full sequence control does not produce ignition spark.
3
Motor runs, Full Sequence Control produces ignition sparks, but gas does not ignite.
4 Motor runs, gas ignites but burns for only a short period.