97
Power Supply Check
PWR indicator not lit.
Replace the CPU
Unit.
Is power being
supplied?
Is voltage adequate?
Are there any loose
terminal screws or bro-
ken wires?
Connect power
supply.
Is PWR indicator lit?
Set supply voltage with-
in acceptable limits.
Is PWR indicator lit?
Tighten screws or
replace wires.
End
Yes
No
No
Yes
Yes
No
No
No
Is PWR indicator lit?
Yes
No
Yes
Yes
Has the external
power supply shorted
or overloaded?
(see note)
Correct the short circuit or limit
the connected load to the spec-
ification range
No
No
Is PWR indicator lit?
Yes
Yes
Note
The PWR indicator will go out when there is a short circuit in the external power
supply or an overload in all CPM1A units.
Troubleshooting Flowcharts
Section 5 -6
Summary of Contents for CPM1A-20CAR-A
Page 3: ...ii...
Page 5: ...iv...
Page 9: ...iv...
Page 29: ...14 System Configuration Section 1 2...
Page 43: ...29 Unit Components Section 2 2...
Page 65: ...51 Wiring and Connections Section 3 4...
Page 123: ...Appendix B Dimensions 2 CPM1 CIF01 90 81 21 30 205 50 56 CPM1 CIF11 90 81 21 30 205 50 61...
Page 124: ...Appendix B Dimensions 3 Dimensions with Peripheral Devices Attached Approx 90 Approx 125...
Page 125: ...Appendix B Dimensions 4...
