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8.2 ERROR CODES ON THE CONSOLE 
CODE CLASS DESCRIPTION SOLUTION
0x02AB C Machine type error. Set the correct machine type in 
Engineering Mode.  
0x02B4 C Resistance type error.   Set the correct machine type in 
Engineering Mode. 
0x0201 A Low voltage on the battery 
(voltage under 11.2V).  
Charge by running or by plugging 
in the AC adapter.  
0x0247 B LCB failed (memory write error / 
feedback ADC error).  
Replace the LCB.  
0x0248 B Battery failure or disconnection 
(Voltage under 8V or over 15V).  
Check the wire connections at 
the battery.  Replace the battery.  
0x0441 B When the UCB implements 
a command, the LCB is not 
receiving this command.  
Check the machine type in 
Engineering Mode.  Check the 
connections at the UCB and LCB.  
0x04A0 C Digital Communication Failure.  
LCB has no return message for 
the UCB for 3 seconds.  
Check the console cable 
connections at the UCB and 
LCB.  Replace the UCB or LCB 
as needed.  
0x04B0 C UCB No Response.   Check the console cable 
connections at the UCB and 
LCB.  Replace the UCB or LCB 
as needed. 
CLASS C ERRORS WILL DISPLAY ON THE CONSOLE.  
CLASS A OR B ERRORS WILL ONLY DISPLAY IN SERVICE MODE 5.  
CHAPTER 8: TROUBLESHOOTING