Omron C200HE-CPU42 User Manual

86
Output Units
Error Probable cause Possible correction
No outputs turn ON.
A load power supply is not provided. Provide the power supply.
p
The load power supply voltage is low. Provide the rated voltage.
Terminal screws are loose. Tighten the terminal screws.
Terminal block connectors are making
poor contact.
Securely lock the connectors, or
replace them if necessary.
A fuse is blown. Replace the fuse.
I/O bus connectors are making poor
contact.
Replace the Unit.
The output circuit is defective. Replace the Unit.
Outputs all fail to turn OFF. The output circuit is defective. Replace the Unit.
Indicators do not light, and the outputs
filRl bd
The output ON time is too short. Correct the program.
g, p
for particular Relay numbers do not
turn ON
The output circuit is defective. Replace the Unit.
turn
ON
.
The program’s OUT instruction bit
addresses overlap.
Correct the program.
Indicators light, but the outputs for
ilRl b d
An output device is defective. Replace the output device.
g, p
particular Relay numbers do not turn
ON
Output wiring is disconnected. Check the output wiring.
ON
.
Terminal screws are loose. Tighten the terminal screws.
Terminal block connectors are making
poor contact.
Securely lock the connectors, or
replace them if necessary.
Output Relays are defective. Replace the Relays.
The output circuit is defective. Replace the Unit.
Indicator lights are off, but the outputs
filRl bd
Output Relays are defective. Replace the Relays.
g, p
for particular Relay numbers do not
turn OFF.
There is faulty restoration due to
leakage current or residual current.
Replace the external load or add a
dummy resistor.
Indicators light, and the outputs for
ilRl b d
The output circuit is defective. Replace the Unit.
g, p
particular Relay numbers do not turn
OFF.
The program’s OUT instruction bit
addresses overlap.
Correct the program.
Outputs are turning ON and OFF
ill
The load power supply voltage is low. Supply the rated voltage.
pg
irregularly.
The program’s OUT instruction bit
addresses overlap.
Correct the program.
There is malfunctioning due to noise. Apply noise countermeasures such as
installing a surge suppressor,
installing an isolation transformer, and
using shielded cables.
Terminal screws are loose. Tighten the terminal screws.
Terminal block connectors are making
poor contact.
Securely lock the connectors, or
replace them if necessary.
Malfunctioning Relays are in groups of
ih
Common terminal screws are loose. Tighten the terminal screws.
gy gp
eight.
Terminal block connectors are making
poor contact.
Securely lock the connectors, or
replace them if necessary.
A fuse is blown. Replace the fuse.
The CPU Unit is defective. Replace the CPU Unit.
Operation is normal, but the output
indicator does not light.
The LED is defective. Replace the Unit.
Troubleshooting Section 5-1

Omron C200HE-CPU42 Specifications

General

Brand	Omron
Model	C200HE-CPU42
Category	Controller
Language	English