Omron G9SP-N20S Operation Manuals page 201

Overview of Troubleshooting
Normal Operating Status
Stopped But No Error Detected
: Not lit : Flashing
In this status, the G9SP-series Controller is executing programming and oper-
ating normally. Operating status is divided into the following two states. For
details, refer to 9-3 Configuration Lock and Automatic Operation.
Status
Normal operating User testing has been completed, and normal operation is
status after complet- being performed in automatic operating mode. No particular
ing user testing measures are required.
Normal operating User testing has not been completed, and so operation is
status during user being performed with the configuration unlocked. The present
testing operation is normal, but the system will start in IDLE Mode at
the next startup. Change the operating mode from the G9SP
Configurator at every startup until user testing has been com-
pleted.
Operating status is The following causes are possible. If none of the actions cor-
normal, but the rects the problem, the Unit may be faulty. In that case, replace
Safety Output does the Unit.
not turn ON.
1. Check to see if the output tag is ON.
Use the program monitor to see if the output tag is displayed
in green, indicating that it is ON.
2. Check to see if the Safety Output terminal is set.
Open the Safety I/O terminal settings to check the setting.
3. Either 24 V is not being applied to other Safety Output ter-
minals or Standard Output terminals or the power supply
positive terminal is not connected.
If this occurs, the output power supply OFF test will fail, so
the Safety Output will not turn ON for safety reasons. Check
the wiring and cycle the output power supply.
The G9SP-series Controller is not executing programming and operation is
stopped. However, no particular error has been detected in this status, and so
observe the following points to perform operation.
Status
Internal power not Check the following before supplying the rated power.
supplied
• Is the power supply voltage within the specifications?
• Is the wiring correct or connected properly?
The Unit may have failed if the measured voltage at terminal
V1/G1 is normal. In that case, replace the Unit.
Stopped in IDLE 1. Change the operating mode using the G9SP Configurator
Mode (9-2 Changing the Operating Mode).
2. Refer to 9-3 Configuration Lock and Automatic Operation if
the system starts in IDLE Mode when it was previously op-
erated in RUN Mode.
3. The mode will change from RUN Mode to IDLE Mode when
the Force Mode times out. Take suitable measures, such as
starting Force Mode again.
: Lit ---: Not relevant
Action
Action
Section 13-1
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