PowerFleet
®
VAC4 and VAC4S Hardware User’s Guide
085-00000700 Rev K
Page 67 of 103
SECTION 7: VAC TROUBLESHOOTING
Recommended maintenance tool list
Socket sets (metric, fractional inch)
Wire stripper/ cutter
Combination wrenches (metric, fractional inch)
Utility knife
Screwdrivers
Multimeter
Allen Wrenches
Flashlight
Pliers (channel lock, needle nose)
Electrical tape
VAC to Wired vehicle cable pinout and fuses
Cable PINs
“B+”
(red)
“1”
(yellow)
“BLU”
(blue)
“BRN”
(brown)
PUR”
(purple)
“B
-
”
(black)
-AND-
“0”
(green)
Fuses
Open the fuse holders by placing a flat object under the overlap edges (on each side of the fuse holder)
and lift until you clear the locking tabs.
VAC screen and LEDs do not illuminate
Possible Cause(s) Action
VAC is in
Hibernate mode
•
Press the VAC’s
POWER button
or turn the vehicle’s ig
nition key to the ON position
(See Section 2
“Logging onto the VAC”
).
Vehicle battery
NOT connected
•
Check that the vehicle battery is connected.
•
Check the voltage level on the “1” (B+) and “9” (B
-) pins of the VAC to vehicle cable.
Inline fuse
malfunction
•
Open the fuse holders for the B+ and B- wires.
•
Check continuity between the ends of the fuse using a multi-meter, if continuity fails:
o
Make sure a short with the vehicle chassis is not blowing the fuse by checking for proper isolation.
o
Replace fuse (with 3AB type 2A, 250V ceramic fuse)
VAC to vehicle
cable damaged
•
Use an ohmmeter to check resistance to verify cable integrity.
Note:
An “open” or zero reading indicates a damaged cable on the “B+” and “B
-
” wires.
•
Replace the cable as needed and retest.
Internal VAC
malfunction
•
Complete an RMA Request form (Appendix A).
•
Call PowerFleet Customer Service for the RMA number.
•
Only the VAC should be returned for analysis /repair; Once the VAC is removed, the system MUST be
hard-bypassed to use vehicle. (see Appendix B for bypass instructions)
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