Siemens SINUMERIK MCU1720, Руководство по эксплуатации оборудования

Страница: 84 / 102

Suspected malfunction
If you suspect a malfunction due to unusual product reactions, isolate the device from power.
Immediately inform qualified personnel to check the function and ensure that the product
functions correctly.
The following signs can indicate a malfunction:
● Unusual or no functioning
● Unusual heat generation
● Smoke development
Repair
Return the device to the manufacturer for repair, with detailed information about the
malfunction. The device must only be repaired there.
9.1 Troubleshooting
This section provides you with tips on how to locate and troubleshoot common problems.
Problem Possible cause To correct or avoid error
PC crashes when
booting.
● Double assignment of
input/output addresses
● Double assignment of
hardware interrupts
and/or DMA channels
● Signal frequencies or
signal levels are not
maintained
● Deviating connector
assignment
Please contact your technical customer service.
The device is not op‐
erational.
There is no power supply
to the device.
Check if the power switch is set to ON.
The monitor remains
dark.
The monitor is switched
off.
Switch on the monitor.
The monitor is in "power‐
save" mode.
Press any key on the keyboard.
The brightness button has
been set to dark.
Set the monitor brightness button to obtain more light. For detailed
information, refer to the monitor operating instructions.
The power cord or the
monitor cable is not con‐
nected.
● Check whether the power cord has been properly connected to the
monitor and to the system unit or to the grounded shockproof outlet.
● Check whether the monitor cable has been properly connected to
the system unit and to the monitor.
If the monitor screen still remains dark after you have performed these
checks, please contact your technical support team.
Service and maintenance
9.1 Troubleshooting
MCU 1720
84
Equipment Manual, 09/2019, A5E47437728B AB