User manual
2638A 
Users Manual 
7-12 
Table 7-1. Error Messages (cont.) 
Error Code  Error Message  Causes and Solutions 
Error 651 
USB memory not 
ready 
Cause: USB memory is not ready for data record. 
Solution: You may have configured the record destination to 
USB, but the memory is not ready when recording is started. 
Error 652 
Data file limit 
exceeded 
Cause: Too many data files were created for a scan. 
Solution: Start a new scan. 
Error 653 
Error creating record 
file 
Cause: Failed to create file for data record. 
Solution: Make sure that the destination memory is not full. 
Error 654 
Error writing record 
file 
Cause: Failed to write file for data record. 
Solution: Make sure that the destination memory is not full. 
Error 655 
Error resuming data 
record 
Cause: Failed to resume the data record. 
Solution: Make sure that the destination memory is not full. 
Error 656 
Data record limit 
exceeded 
Cause: Too many data records in internal memory 
(Max.1000). 
Solution: Remove some data records. 
Error 657  Incorrect timestamp 
Cause: RTC clock is reset. 
Solution: Set the instrument’s date time setting. 
Error 658 
Record state 
damaged 
Cause: The battery could have failed. 
Solution: Replace the battery. 
Error 700  NV memory invalid 
Cause: The flash memory contains invalid Instrument setup, 
LAN setup, MAC setup or calibrate constants. 
Solution: Default settings will be loaded, if the MAC setup or 
calibrate constants show failed, Contact Fluke Calibration. 
See Chapter 1.  
Error 701 
NV invalid so default 
loaded 
Cause: Default settings have been loaded. 
Solution: Cycle the power. If the error occurs again, contact 
Fluke Calibration (see Chapter 1). 
Error 702 
Error reading 
instrument setup 
Cause: Internal flash is damaged. 
Solution: Cycle the power. If the error occurs again, contact 
Fluke Calibration (see Chapter 1). 
Error 703 
Error writing 
instrument setup 
Cause: Internal flash is damaged. 
Solution: Cycle the power. If the error occurs again, contact 
Fluke Calibration (see Chapter 1). 










