Technical information

Appendix B: Touble Shooting 40
DRV Operator’s Manual and Technical Reference (rev 1 0 June 30, 2000)
1: "System Ready" on LCD
2: Arm responds to joystick input
3: Dump body hydraulic components not
functional.
1: Relay coil fuse blown
2: Dump body poppet valve not
opening.
1: "System Ready" on LCD
2: Arm responds to joystick input
3: Multiple hydraulic components on
dump body not functional.
Dump body valve power fuse blown.
Check both, there are two.
1: "Emergency Stop" on LCD
2: Emergency stop buttons (2) not
depressed
3: No sound from PTO hydraulic pump
PTO/EStop fuse blown
1: "System Ready" on LCD
2: Arm responds to joystick input
3: Hydraulic components on dump body
functional
4: No indicator lamps on cab console
Indicator lamp fuse blown
1: "System Ready" on LCD
2: Arm does not respond to joystick input
3: Dump body hydraulic components
functional
1: PC board fuse blown
2: PC board failure
1: "System Ready" on LCD
2: One side joystick functional, other side
nonfunctional
3: Console indicator lamp indicates
successful joystick switch over.
Joystick relay fuse blown
1: "System Ready" on LCD
2: Arm joint can move in only one
direction
1: Hydraulic valve malfunction
Copyright 2011, AHMCT Research Center, UC Davis