CV500-COV02 Omron, CV500-COV02 Datasheet - Page 105

• Manufacturer Part Number: CV500-COV02
• Description: CONNECTOR COVER
• Manufacturer: Omron

Specifications of CV500-COV02

• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: CV500COV02

Error Processing and Correction
5-3
CPU Rack/Expansion CPU Rack/Expansion I/O Rack
92
POWER indicator is unlit.
RUN indicator is unlit.
RUN output does not
turn ON.
RUN indicator lit.
Link Unit or CPU Bus Unit
d
does not operate or malfunc-
tions
tions.
Bit does not operate.
Error occurs in units of 8
points.
I/O bit turns ON
All bits for one Unit do not
turn ON.
i
Symptom
Error Processing and Correction
lf
PCB short-circuited or damaged by heat.
(1) START input terminals are OFF.
(2) Error in program.
(3) Power line is faulty.
Internal circuitry of
Power Supply Unit is faulty.
(1) CPU cable is faulty.
(2) CPU bus is faulty.
(3) Expansion CPU Rack is faulty.
I/O bus faulty.
(1) I/O cable is faulty.
(2) I/O bus is faulty.
(3) Expansion I/O Rack is faulty.
I/O bus is faulty.
I/O bus is faulty.
Cause
Replace Power Supply Unit or Backplane.
Short-circuit START input terminals.
Correct program
Replace Power Supply Unit.
Replace Power Supply Unit.
Replace CPU cable.
Replace Backplane.
Replace I/O Control or I/O Interface Unit.
Replace Backplane.
Replace I/O cable.
Replace Backplane.
Replace I/O Control or I/O Interface Unit.
Replace Backplane.
Replace Backplane.
Remedy
Section 5-3