Troubleshooting of Regular Malfunctions 13-1
13 Troubleshooting of Regular
Malfunctions
Note: deal with the error based on the field situation.
13.1 System Cannot Power On
13.1.1 Related Modules or Boards
No. Descriptions Remarks
1. The circuit breakers /
2. 5V board assembly /
4. DC box assembly /
6. PC carrier board assembly /
7. CPU module assembly /
13.1.2 Key Points Supporting Troubleshooting
Key Points Supporting Troubleshooting
1 Power-on status indicator
Backlight of the power button
2 AC indicator
On the control panel
Three power supply indicators
On IO back board. Defined as 3.3 V/5 V/12 V