Mindray DC-25, Руководство по обслуживанию

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11-8 Troubleshooting of Regular Malfunctions
11.6.3 Troubleshooting
No. Fault Description Cause Analysis Measure
1 Some or a certain
key failures
Silicon key damage; or
Control panel malfunction.
Try replacing silicon key or
control panel if no key blocks.
；
2 Trackball failed or
abnormal
Dirt or obstacles jam in the
trackball groove
Open and clean the groove
Improper setting of
trackball speed in system
preset;
Make a proper preset
Degenerated trackball
performance
Replace the trackball module
3
All key of control
panel are normal,
Single encoder is fail.
Single encoder
malfunction Replace the
encoder board
4
All key of control
panel are normal,
Single key of TGC is
fail.
TGC board malfunction Replace TGC board
All keys of TGC are
failed.
Control panel malfunction Replace Control panel
11.7 Monitor
11.7.1 Module or Board Related
No. Descriptions Remarks
1 Inverter board
2 LCD control board
3 LCD Failure rate: low
4 IO interface board Failure rate: low
4 Main board
5 CPU module
11.7.2 Key Points Supporting Troubleshooting