Chart A - No Servo Controls (System Fails To Operate) - jcb 214e Service Manual

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Section D
37 - 2
Fault Finding

Chart A - No Servo Controls (system fails to operate)

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