Aspect Medical Systems BISPECTRAL INDEX A-2000, Руководство по обслуживанию

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SECTION VI DIAGNOSTICS AND TROUBLESHOOTING
- 6-3 -
Table 6.1 CONTINUED
Symptoms: Causes: Corrective Procedures:
DSC overcurrent error
message
DSC cable to monitor is
defective
Replace DSC
DSC is defective
Replace DSC
Main board defective Replace main board
Noisy EEG Interference from other
equipment (e.g. electro-
cautery)
Initiate DSC self-test
diagnostic.
Electrode impedance too
high Initiate impedance check;
re-prep or replace sensor
as required
Notch filter OFF
Check notch filter setting
DSC is defective
Replace DSC
Fails impedance test Electrode impedance too
high
Initiate impedance check;
re-prep or replace sensor
as required
Patient Interface Cable
(Electrode lead wires) is
defective
Replace PIC
(Patient Interface Cable)
DSC is defective
Replace DSC
Fails to recognize sensor PIC defective Replace PIC
DSC pigtail defective
Replace DSC
DSC fails self test Electro-cautery used during
self test Restart monitor when
electro-cautery not in use.
(Self test runs when the
DSC is first connected, and
again when sensor is
connected.)