37 - 2
Section D Controls
9803/3280
Section D
37 - 2
Issue 1
Precision Control (Servo)
NO
YES
NO
YES
NO
YES
YES
NO
Does system function if the 'mode'
switch is operated?
START
Is the supply valve solenoid coil
faulty?
Is the relevant electrical fuse intact?
Is the wiring to the supply valve
solenoid coil intact?
Renew pilot supply valve solenoid
valve stem.
Renew coil.
Repair as applicable.
See Electrical Connections.
Check seat mounted micro switch
function and condition of associated
wiring for damage. Repair or renew
as applicable.
Inspect and test all relevant wiring
for damage and short circuits.
Repair as applicable. Renew the
fuse.
A402360
See Electrical Switches, Seat
Mounted Microswitch - Adjustment.
Fault Finding
Chart A - No Servo Controls (system fails to operate)
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