Mindray Z5 - Key Points Supporting Troubleshooting; Troubleshooting

Troubleshooting of Regular Malfunctions 10-7
5
Trackball module
6
TGC module
10.6.2 Key Points Supporting Troubleshooting
No.
Key Points Supporting
Troubleshooting
Remarks
1
Backlight of control panel
To confirm if the control panel is powered on normally;
2
Key sound of the control panel.
To confirm if the buzzer works normally
3
Response to function keys on
control panel
4
Response to trackball operation
5
Response to the sliding
potentiometer
To confirm if a single sliding potentiometer or the
control panel PCBA is damaged.
6
Response to each encoder
To confirm if a single encoder or the control panel
PCBA is damaged.
7
Buzzer alarm
The buzzer alarms when a key is blocked for 100
seconds.
10.6.3 Troubleshooting
No.
Fault Description
Cause Analysis
Measure
1
Buzzer alarms
Key blocked
Check the control panel for
key block
2
Some or a certain key
failures
Silicon key damage; or
Control panel malfunction.
Try replacing silicon key or
control panel if no key blocks.
3
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
4
All key of control panel are
normal,
Single encoder is failed.
Single encoder malfunction
Replace the encoder board
5
All key of control panel are
normal,
Single key of TGC is failed.
TGC board malfunction
Replace TGC board
All keys of TGC are failed.
Control panel malfunction
Replace Control panel