Revision:1.0(2023-01-12)
345
Error Mechanism
The system detects that the speed the main unit fan FAN0 is lower than the standard value.
Possible Cause
1. The fan is blocked due to sundries.
2. The fan is faulty.
Resolve Path
Check whether there are sundries around the fan and clean and maintain the fan. If the error
persists, replace the main unit fan assembly.
Solution
1. Remove the main unit fan assembly and clean and maintain the fan.
2. If the fault persists after cleaning, replace the Main Unit Dual Fans assembly. For details, refer
to 7.17.2
Disassembly and Assembly.
88..22..44..22 F1002: System fan requires maintenance. Please contact the
service engineer in time.
Failure Code
F1002
Fault Description
User Permission of Viewing Errors Fault Description Corresponding to the
Permission
User and Administrator Permission
System fan requires maintenance. Please
contact the service engineer in time.
Service Engineer Permission System fan requires maintenance. Please
contact the service engineer in time.
Log Record
Date "Time" "Errocode": System Monitor: Fan alert! [XXX], Current speed: [VVV] rpm, Lower Limit
speed: [LLL] rpm.
Involved FRU
Main Unit Dual Fans assembly
Diagnostic Ultrasound System
Service Manual
8 Troubleshooting
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