Service Manual MSO/UPO3000E Serials products
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4.
To reinstall, follow the steps above.
Troubleshooting
Notice: Before performing this or any other procedure in this manual, read the General Safety Summary and Service
Safety Summary at the beginning of this manual.
To prevent injury to service personnel or damage to electrical components, read the information on ESD
protection.
This section contains information and procedures designed to help you isolate a fault in a module.
If you need help, please contact Uni-Tech Service Center.
Service level
This section contains information and procedures to help you determine if a power failure is an instrument problem. If
the power fails, the instrument needs to be sent back to the Uni-Tech service center for repair, because other
internal
electronic components or modules cannot be replaced by the user.
Check FAQ
Use the following table to help isolate possible failures. The following table lists problems and possible causes. This list
is not exhaustive, but it can help eliminate quick-fix issues, such as a loose power cord. For more detailed
troubleshooting, see Troubleshooting Flowchart.
Table 3: Malfunction Symptoms and Possible Causes
symptoms
possible reason
The instrument cannot be powered on
•
The power cord is not plugged in
•
Electricity failure
•
Defective Micro-controller Components
The instrument is powered on, but the fans are not
running
•
Faulty fan power cable
•
The fan power cable is not connected to the circuit
board
•
fan failure
