Omron ZUV Series, Руководство пользователя

Страница: 110 / 126

5-2
Sec
tion 5
APPENDIX
ZUV
User’s Manual
Section 5
Troubleshooting
Troubleshooting
This section describes countermeasures for temporary hardware problems. Before
sending the hardware for repair, check the problem in this section.
Problem Probable cause and possible countermeasure Pages
The device restarts during
operation. • Is the power supply device connected correctly? p.1-8
No output signals are generated. • Are all cables connected correctly?
• Is the signal line disconnected?
p.4-2
No input signal received • Are all cables connected correctly?
• Is the signal line disconnected? p.4-2
No communications with a
personal computer or
programmable controller • Is the USB cable connected correctly?
• Is the RS-232 cable connected correctly? p.4-9
Dark LCD screen • Is the Eco mode function set?
The "Eco" mode is set if pressing any key automatically returns to
the original brightness.
The brightness is maintained when the Eco mode setting is
canceled. Note, however, that the life of the LCD backlight is
shortened. So, we recommend setting the Eco mode.
• Was the OFF command sent with the screen in a dark state?
Set the Eco mode to ON in the LOCK mode or by the SYSSET
command.
p.3-23
UV irradiation disabled • Is the READY mode set?
• Is the hardware key set to READY?
• Are all cables connected correctly when controlling from a terminal
block?
• Is the signal line disconnected when controlling from a terminal
block?
• Is the head connected correctly?
• Is the emergency stop input set to ON?
• Is the READY indicator ON?
p.2-11
The bank is not switched even if
the bank switching signal is input
from the terminal block. • Is the bank switching input setting enabled?
• Is the operating mode set to the READY mode? p.3-13
Banks cannot be switched from
the RS-232C or the USB
interface. Is the bank switching input setting disabled? p.3-13