Mindray DC-25, Руководство по обслуживанию

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Troubleshooting of Regular Malfunctions 11-5
image shielding etc.
Confirm by connecting another
probe.
There are other electrical
equipments working in the power
grid, which introduces the
common-mode interference to
the probe.
Displays ripple-shaped
interference signal on the image
Confirm the cause of
failure by turning off
electrical equipment of all
peripherals connected to
the system
11.4 Probe Socket System Malfunction
11.4.1 Module or Board Related
No. Descriptions Remarks
1 Main board
2 Probe board
3 Probe connected assembly Failure rate: low
11.4.2 Key Points Supporting Troubleshooting
No. Key Points Supporting Troubleshooting Remarks
1 Probe recognition of all models of probes
when connecting on the same or different
ports
3 Probe board ID of the system
4 Noise of probe relay switching when
powering on
11.4.3 Troubleshooting
No. Fault
Description Cause Analysis Measure
1 Probe cannot
be recognized
This probe cannot be recognized by connecting
to all probe sockets, while reorganization of
other probes is normal. Probe malfunction.
Replace the
probe.
This probe cannot be recognized when
connecting to a certain socket. Probe board
malfunction.
Replace the
probe board