Operating instructions

IMM AGSB-60 45
Current
Imbalance Fault?
Wiring Good?
SCRs OK?
Motor
Winding Short?
All Gate
Pulses Present?
Replace
Control Card
Return to
Normal
Operation
Yes
Yes Yes
No
Yes Yes
No Yes
Yes
No
No
No
Yes
Yes
No
No
No
No
Motor Pro
b
lem?
Repair or
Replace Motor
Contact
Benshaw
For Assistance
Re
p
lace
Control Card
Check Jum
p
ers
Parameters
and CTs
Correct Wiring
Replace
Defective
SCRs
Does Pro
b
lem
Still Exist?
Contact
McQuay
For Assistance
CT Burden
Switches Set
Correctly?
Fuses Blown or
Breaker Tripped?
Replace Fuse
or Reset Breaker
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