TM 10-3930-675-24-1
OVERLOAD PROTECTION TROUBLESHOOTING - CONTINUED
0011 00
Table 4. Error Code 133 - Left Lift Cylinder Pressure Sensor or Circuit Failure Troubleshooting Procedures.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Error Code 133 - Left Lift Cylinder Pressure 1. Inspect the left lift cylinder a. Reconnect
disconnected
Sensor or Circuit Failure.
locking valve and pressure
sensor harness.
sensors for damage and b. Replace damaged pressure
connections.
sensor or harness (WP 0102
00).
DIAG SERVO
1(13)
SYSTEM POWER
24.00V
POWER RI CAN
24.00V
POWER LE CAN
24.00V
10V REF OUT
10.00V
2. Enter "DIAG SERVO" 8(13) a. Check PRESS LE "PRESS"
in the diagnostic menu and
and "RETURN" voltages. If
check the pressure sensor
the "PRESS" voltage (3 to 6V)
voltage. Lift the boom slightly
is not found and "RETURN"
to pressurize the lift cylinders.
voltage is <2V, switch the
The voltage should be 3 to 6V
pressure sensor harness leads
depending on boom position.
00-9).
b. Recheck pressure voltages. If
the "RETURN" voltage (<2)
appears at "PRESS", replace
768-2 pressure sensor (WP
0102 00). Make sure to
switch the sensor leads back
after the test.
3. Check voltage (24V) at X159 a. If no voltage (24V) is found,
between pins 3 and 4 with the
A1543D, A1543C, A15513C,
A15513B, A15513A, and
5).
b. Repair or replace damaged
wires or connectors (WP 0113
00).
0011 00-5