Fujitsu MHT2080BH Product Manual page 185

Error reporting conditions
(1) An incorrect password is specified (ST = 51h, ER = 04h).
(2) The device is in Security Locked mode (ST = 51h, ER = 04h).
(3) The device is in Security Frozen mode (ST = 51h, ER = 04h).
(4) A SATA communication error occurred (ST = 51h, ER = 14h).
At command issuance (Shadow Block Registers setting contents))
CM
DH
CH
CL
SN
SC
FR
At command completion (Shadow Block Registers contents to be read)
ST
DH
CH
CL
SN
SC
ER
C141-E203-01EN
1 1 1 1
x x x x
xx
xx
xx
xx
xx
Status information
x x x x
xx
xx
xx
xx
Error information
5.3 Host Commands
0 1 1 0
xx
xx
5-111