TM 5-3810-307-24-1-2
Table J-2. Fault Codes
Fault Code
Fault Description
Cause/Corrective Action
000
Normal operation
-
001
Advanced warning
Verify that voltage between red and brown wires of
overvoltage
control unit external connector B1 is greater than 30
VDC.
002
Advanced warning
Verify that voltage between red and brown wires of
undervoltage
control unit external connector B1 is less than 20
VDC.
010
Overvoltage shutdown
Verify that voltage between red and brown wires of
control unit external connector B1 is greater than 30
VDC. Check crane battery charging system.
011
Undervoltage shutdown
Verify that voltage between red and brown wires of
control unit external connector B1 is less than 20
VDC. Check crane batteries and connections.
012
Overheating
Check for possible overheating causes.
Check
engine coolant flow. Coolant temperature at
temperature sensor is greater than 240F (115 C).
Impedance at temperature sensor is < 400 ohms.
Check difference at coolant heater control unit.
Remove the control unit and disconnect the internal
connector B5.
Using multimeter set for ohms,
measure impedance between pins 5 and 8 (blue
wires) of B5. Overheat sensor values: 150K ohms at
-13 F (-25 C), 10 kohms at 77F (25 C).
013
Excessive temperature at
Flame sensor signals temperature greater than 1292
flame sensor
F (700 C). Difference at flame sensor > 3400 ohms.
Check difference at coolant heater control unit.
Remove the control unit and disconnect the internal
connector B5.
Using multimeter set for ohms,
measure impedance between pins 10 and 12 (grey
wires) of B5. Flame sensor values: 900 ohms at -13
F (-25 C), 1100 ohms at 77F (25 C).
014
Possible overheating
Difference of measured values at temperature sensor
detected
>158 F (70 C) (difference evaluation). Check
temperature sensor and overheat sensor. Then check
for coolant throughflow.
Remove the control unit and disconnect the internal
connector B5.
Using multimeter set for ohms,
measure impedance between pins 5 and 8 (blue
wires) of B5. Overheat sensor values: 150K ohms at
-13 F (-25 C), 10 kohms at 77F (25 C).
Change-1 J-39
