Mindray Z6, Service Manual

Page: 143 / 173

Troubleshooting of Regular Malfunctions 10-1
10
Troubleshooting of Regular
Malfunctions
10.1 System cannot be powered on
10.1.1 Module or Board Related
No. Descriptions Remarks
1 Battery Li-ion 14.8V 6600mAh LI34I002A
2 Power supply module
3 CPU module
10.1.2 Key Points Supporting Troubleshooting
No. Key Points Supporting Troubleshooting Remarks
1 AC power indicator
Located on control panel
2 Power-on status indicator
Backlight of the power button
3 Three Power indicators 12V, 5V, 3.3V, located on IO board
10.1.3 Troubleshooting
No. Fault Description Cause Analysis Measure
1 Fail to start up when powered by the battery
only, but can start up normally by AC power
supply. After the machine is powered on,
battery alarm appears.
Internal battery fails;
Related board or module of
the other power system is
in normal status
Replace battery
2
No AC input, Fail to start up when powered
by the battery; The power on indicator flash
then turn off, battery indicator flash,
succeeding in startup when AC input and
battery can charge up normally Battery is out of power Charge up