5000 SRM 969 Troubleshooting
PROBLEM POSSIBLE CAUSE PROCEDURE OR ACTION
One or all indic
ator lights do
not function. (
Cont.)
Electric circu
it of a particular func-
tion is open.
Check for blown
fuses or loose con-
nectors. Check
proper functioning of
printed circui
tboard.
Hydraulic functions other
than function selected are
operating at same time.
Electric solenoid or relief solenoid of
a function other than selected func-
tionisstuckinanopenposition.
Clean or replace solenoid.
Lowering interrupt function
does not operate properly.
Proximity switch for beam extension
is not functioning properly.
Check input signal to switch. Check
functioning of switch. Check proper
proximity switch setting.
Printed circuit board has a problem. Check PCB3, PCB4, PCB1.
Lift interrupt function does
not operate properly.
Proximity switches for locked and/or
unlocked position are not function-
ing properly.
Check input signal to switch. Check
functioning of switch. Check proper
proximity switch setting.
Printed circuit board has a problem. Check PCB3, PCB4, PCB1.
Auto locking function does
not work properly.
Proximity switch for seated signal is
not functioning properly.
Check input signal to switch. Check
functioning of switch. Check proper
proximity switch setting.
Proximity switches for locked and/or
unlocked position are not function-
ing properly.
Check input signal to switch. Check
functioning of switch. Check proper
proximity switch setting.
Printed circuit board has a problem. Check PCB3, PCB4, PCB1.
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