jcb JS200 Service Manual page 182

Section C
9 - 7
Fault Diagnosis (continued)
Air Cleaner clogged, Problem No. 5
Note: Message does not go out even if the filter is washed.
Prior Confirmation
Items
1. The "MODE" of the mode display is not flashing.
Key switch ON
When spade terminal of air
filter switch on YL side is
removed, does message go
out?
When CNB connector is
NO
removed, does message go
out?
NO
9803/6400
Troubleshoot
YES
YES
When CN7 connector is
removed, does message go out?
NO
Electrics
Fault Finding
YES
Cause
*
Air filter switch
defect
*
Breakage or bad
connection of BW
wiring between CNB
and air filter
switch
*
Breakage or bad
connection of BW
wiring between CNB
and CN5
Controller defect
Section C
9 - 7
Remedy
* Replace
air filter
switch.
*
Repair BW
wiring.
* Repair BW
wiring.
Replace
controller
Issue 2*