Instruction manual

ACU-1000 Operations Manual
2-10 Interoperability Now
Fuses and
Power OK
AC LED
Lit?
Replace
Fuse F2
Problem
Fixed?
Repair
Fault
Turn Power
Switch ON
Apply
AC Power
DC LED
Lit?
Replace
Fuse F3
Turn Power
Switch ON
Apply
DC Power
Problem
Fixed?
Repair
Fault
Replace
Fuse F1
Repair
Fault
Problem
Fixed?
+12V, -12V
LED Lit?
Y
N
N
N N
N
Y
Y Y
Y
Y
N
Figure 2-4 Fuse Troubleshooting Chart