55
Error 
Code
Details of Error code Display Coping strategies
AB
Notication of line congestion 
via DPMS access when rewriting 
DM860 related rmware (Boot 
Loader Mode).
E t h e r I M G * * * m i n
S e r v e r i s b u s y A B
Check the network connection.
Carry out the update in an environment 
that has little network load.
AC
Notication of connection failure 
via DPMS access when rewriting 
DM860 related rmware (Boot 
Loader Mode).
E t h e r I M G * * * m i n
C o n n e c t i o n F a i l A C
Check the network connection.
Carry out the update in an environment 
that has little network load.
AE
Firmware download error message 
received (when download fails) 
when rewriting DM860 related 
rmware (Boot Loader Mode).
E t h e r I M G * * * m i n
D o w n l o a d f a i l A E
Turn the power off then back on. 
Updating starts automatically.
Carry out the update in an environment 
that has little network load.
AF
Firmware download error message 
received (line congestion) when 
rewriting DM860 related rmware 
(Boot Loader Mode).
E t h e r I M G * * * m i n
S e r v e r i s b u s y A F
Turn the power off then back on. 
Updating starts automatically.
Carry out the update in an environment 
that has little network load.
B0
Firmware download error message 
received (connection failure) when 
rewriting DM860 related rmware 
(Boot Loader Mode).
E t h e r I M G * * * m i n
C o n n e c t i o n F a i l B 0
Turn the power off then back on. 
Updating starts automatically.
Carry out the update in an environment 
that has little network load.
B2
Error message received when 
rewriting DM860 related rmware.
E t h e r I M G * * * m i n
U p d a t i n g f a i l B 2
Turn the power off then back on. 
Updating starts automatically.
Carry out the update in an environment 
that has little network load.