Oerlikon CENTER TWO, Operating Manual

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90
GA 09.035/6.02 - 07/2011 - © Oerlikon Leybold Vacuum
Troubleshooting
8 Troubleshooting
8.1 Fault indication
A fault in the Multi-Channel Controller is indicated as follows:
„ FAIL flashes and the display shows an error message. See Chapter 8.2 Er-
ror messages,
90.
„ The error signal relay opens
8.2 Error messages
Display Possible cause and corrective action
SE
Sensor error. Error in the connection of the respective
transmitter.
Press PARA to acknowledge. If the cause has not been
removed, then
noSEn
or
noid
will be displayed.
dt
The watchdog control has been triggered. Severe elec-
trical fault or an operating system error.
Or: The Multi-Channel Controller has been switched off
and on without sufficient delay.
Press PARA to acknowledge. The Multi-Channel Con-
troller will acknowledge automatically after 2 s if the
watchdog control is set to
auto
.
rA
Error in the main memory (RAM).
Press PARA to acknowledge.
EP
Error in the program memory (EPROM).
Press PARA to acknowledge.
EE
Error in parameter memory (EEPROM).
Press PARA to acknowledge.
di
Error in the display driver.
Press PARA to acknowledge.
Ad
Error in the A/D converter.
Press PARA to acknowledge.
tF
Task fail. Error in the operating system.
Press PARA to acknowledge.
UA
Error in UART.
Press PARA to acknowledge.
Er x
Error message ITR 90.
0 = No communication with the transmitter.
x = Error code (High-Byte).
See Reference [6].
Er xx
Error message ITR 200.
xxH = Error code.
See Reference [15].