Troubleshooting; Troubleshooting Chart; General - Big Joe Joey J1 Series Maintenance And Repair Parts Manual

3-1. GENERAL

Use Table 3-1 as a guide to determine possible
causes of trouble. The table is divided into five main
categories: Vehicle and Hydraulic System Will Not
MALFUNCTION
TRAVEL AND HYDRAULIC
SYSTEM WILL NOT OPERATE
VEHICLE DOES NOT OPERATE
FORWARD OR REVERSE
Vehicle does not travel forward or
reverse. All other functions oper-
ate normally.
Vehicle travels forward but not in
reverse.
Vehicle travels reverse but not in
forward.
Vehicle travels forward and in
reverse at lower speeds; will not
travel at high speed.
BL-J1-0315 - 11-19-2019
SECTION 3

TROUBLESHOOTING

Operate: Vehicle Does Not Operate Forward or
Reverse: Trouble With Braking: Trouble With Lifting Or
Lowering, and Miscellaneous malfunctions.
Table 3-1 Troubleshooting Chart
PROBABLE CAUSE
a. Battery connector (12,
11-12) not connected.
b. Keyswitch (3, Figure
"OFF" or defective.
c. Safety guard rail open.
d. Emergency power disconnect
switch (6, Figure 11-8
defective.
e. "Deadman" footswitch (19,
ure 11-33) not pressed or defec-
tive.
f. Battery charge too low.
g. Faulty fuse (12, Figure
a. Check all wiring. A loose con-
nection may be the cause of
malfunction.
c. Defective controller (4,
11-13).
d. Defective travel switch (8,
ure 11-8).
Defective travel switch (8,
11-8).
Defective travel switch (8,
11-8) in control head.
a. Defective travel switch (8,
ure 11-8) in control head.
b. Operator platform raised above
47 inches.
CORRECTIVE ACTION
Figure Check the battery connector and
connect if necessary.
11-8) Turn keyswitch "ON" or bypass
keyswitch to determine if it is
malfunctioning.
Close safety guard rail.
Disengage the emergency power
pressed or disconnect switch or bypass
switch to determine if it is mal-
functioning.
Fig- Press "deadman" footswitch or
bypass pedal to determine if it is
malfunctioning.
Check battery charge, charge bat-
tery if necessary.
11-13). Test fuses.
Tighten all loose connections
before further troubleshooting.
Figure Check for proper operation and
replace if necessary.
Fig- Check and replace switch if defec-
tive.
Figure Check and replace switch if defec-
tive.
Figure Check and replace switch if defec-
tive.
Fig- Check and replace switch if defec-
tive.
Lower operator platform below 47
inches.
3-1