Mitsubishi Q01CPU User Manual

12
TROUBLESHOOTING
12.2 Troubleshooting
12.2.2 Flowchart for when the ERR terminal (negative logic) is turned off (opened)
12 - 5
9
EMC AND LOW VOLTAGE DIRECTIVES
10
LOADING AND INSTALLATION
11
MAINTENANCE AND INSPECTION
12
TROUBLESHOOTING APPENDICES INDEX
12.2.2 Flowchart for when the ERR terminal (negative logic) is turned off
(opened)
The following shows the flowchart for when the "ERR terminal" turns off (opened) at
power-on or during operation of the programmable controller.Note4
Note4
Basic
Note12.4
The Basic model QCPU does not have the "MODE" LED. In the flowchart, proceed to "Off".
Basic
Note12.4
The ERR terminal has
turned off (opened).
Remove the corresponding power
supply module, and mount it to the
normal base unit.
(Do not mount any modules other
than the power supply module.)
Mount the corresponding power
supply module to the original system
again, and remove all modules other
than the power supply module from
the base unit.
NO
Flickering (CPU
module is in stop
error)
Check error details and take action
according to the details.
On (green)
The corresponding power supply module is
faulty
(Replace it with a normal power supply
module).
( Section 12.4.2)
How is the "ERR."
LED of the CPU
module?
Not flickering
YES
How is the "MODE"
LED of the
CPU module?
Off
Supply power of proper voltage.
Is power supplied?
Is the power supply
voltage proper?
On (red)
Turned on green
How is the "POWER" LED
of the power supply
module?
(To next page)
Note12.4
Section 12.4.2

Mitsubishi Q01CPU Specifications

General

Brand	Mitsubishi
Model	Q01CPU
Category	Controller
Language	English