SECTION 7 DIAGNOSTICS AND TROUBLESHOOTING
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7-5
7.2 SYSTEM ERROR MESSAGE ALARMS
Equipment alarm messages, lead connection, and patient condition alarms (i.e., EEG isoelectric
condition) will appear in the message region of the display and an alarm sequence (two tones,
high/low, that sounds like “Uh-oh”) will sound when any of the following conditions occur: Digital
Signal Converter becomes disconnected, patient electrode leads come off, electrode impedance
check fails, or Digital Signal Converter has a power fault. Error messages and the
corresponding operator action required for these and other error conditions are listed below:
A-2000 Error Messages and Operator Action
E01 Message:
Operator Action:
DSC Not Connected
Check that the blue cable from the DSC is connected to the
front panel of the monitor. If connected, and the DSC doesn’t
work, the DSC or monitor may require service.
E02 Message:
Operator Action:
DSC Overcurrent
The run-time diagnostics tries up to three times to clear this
error condition. If it doesn’t work, the DSC or monitor may
require service.
E03 Message:
Operator Action:
DSC Power Regulation
The run-time diagnostics checks three times for this error
condition. This indicates that the DSC may require service.
E04, E05, E06, E07,
E08 Message:
Operator Action:
DSC Error
The DSC is not communicating or operating properly. This
may occur during the use of electrocautery devices. If the
message persists, the monitor or DSC may require service.
E09 Message:
Operator Action:
DSC Shut Down
Too many fatal errors (overcurrent, voltage regulation) have
occurred with this DSC and the monitor has stopped trying to
get it to work. Turn the monitor off, then on to try again. If
this problem persists, the DSC and/or monitor require
service.
E10 Message:
Operator Action:
Illegal DSC Type
An unrecognized DSC has been connected to the monitor.
Connect correct DSC. If error persists, the DSC and/or the
monitor may require service.
E11 Message:
Operator Action:
DSC Failed Self-Test
The DSC has failed either the noise test or gain test
performed at startup. The DSC and/or the monitor may
require service.
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