H&S LW1100 Operator's Manual page 37

This section provides basic operator level troubleshooting for the system. If, after following these
instructions, the system still does not function, check the hydraulic system then contact your H&S Dealer
for further instructions or servicing.
STATUS DISPLAY ERROR CODE CHART
Display shows
RST
EC01
EC02
EC03
PROBLEM SOLUTION CHART
No operation of all functions when
a function switch is activated.
Certain functions do not work
Function operates intermittently.
There are no user-serviceable
parts for the controller.
Return the units to
Kar-tech for service.
TROUBLESHOOTING
Problem/Solution
Press Start/Reset Button
Short or open connection at output to forward solenoid
Short or open connection at output to reverse solenoid
Short or open connection at output to hoop solenoid
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Check that power switch is on.
Check vehicle wiring for power into the system.
Check display for system status.
Check for proper grounding of vehicle's electrical circuit.
Check vehicle's hydraulic system
Check the wiring connection from the system to the valve
coil or the output function that do not work.
Check function's coil.
Check display for system status.
Check vehicle's hydraulic system
Check vehicle's electrical system
Loose connection at the function switch.
Loose connector at the valve coil.
Check display for system status.
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