HP 8648 A/B/C/D - Changpuak.ch

5c-4 Service Error Messages
512
Description
Cause
What To Do
513
Description
Cause
What To Do
515
Description
Cause
What To Do
516
Description
Cause
What To Do
Genericpathcalrestorefailure
After detecting a failure in comparing calibration
data between RAM and the calibration ROM, a data
restore was attempted unsuccessfully.
There is either a failure in writing data to RAM or
in reading data from the calibration ROM.
Replace the A3 assembly. The A3 assembly has a
continuity failure. The calibration ROM is on the
A3 assembly with the RAM.
Output tune calrestorefailure
After detecting a failure in comparing calibration
data between RAM and the calibration ROM, a data
restore was attempted unsuccessfully.
There is either a failure in writing data to RAM or
in reading data from the calibration ROM.
The calibration ROM can be verified by replacing
the A6 assembly. The calibration ROM is contained
in the assembly.
If the failure is still present after replacing the A6
assembly, replace the A3 assembly, which contains
the RAM.
FreqExtlevelcalrestorefailure
After detecting a failure in comparing calibration
data between RAM and the calibration ROM, a data
restore was attempted unsuccessfully.
There is either a failure in writing data to RAM or
in reading data from the calibration ROM.
The calibration ROM can be verified by replacing
the A10 (freq ext) assembly. The calibration ROM is
contained in the assembly.
If the failure is still present after replacing the Al0
assembly, replace the A3 assembly, which contains
the RAM.
Configcalrestorefailure
After detecting a failure in comparing calibration
data between RAM and the calibration ROM, a data
restore was attempted unsuccessfully.
There is either a failure in writing data to RAM or
in reading data from the calibration ROM.
Replace the A3 assembly. The A3 assembly has a
continuity failure. The calibration ROM is on the
A3 assembly with the RAM.