Service Manual Miditron
®
Junior
II
/ ID 1997491 / MJ / 1.0 - June 1998 / Page 124
13. Troubleshooting
LCD Error
Error Code
200-299
Reason
What to do?
200
Busy signal error
- Check connections
- Change display
Table: tab-24e
EEPROM Error
Error Code
400-499
Reason
What to do?
400
CRC error during reading from EEPROM
- Change CPU board
- Perform adjustment procedure ( see
chapter 7)
401
CRC error during writing to EEPROM
- Change CPU board
- Perform adjustment procedure ( see
chapter 7 )
402
CRC error of control codes external printer
Table: tab-25e
RAM Error
Error Code
500-599
Reason
What to do?
500 - 531
Error during writing resp. reading of byte
information 0 x AA of 32k RAM
- Change CPU board
- Perform adjustment procedure ( see
chapter 7 )
550- 581
Error during writing resp. reading of byte
information 0 x 55 of 32k RAM
- Change CPU board
- Perform adjustment procedure ( see
chapter 7 )
Table: tab-26e
RAM Error
Error Code
600-699
Reason
What to do?
600
Checksum error of ROM
- Change Chip card
Table: tab-27e
RTC Error
Error Code
700-799
Reason
What to do?
700
Accumulator condition not in order
- Change CPU board
- Perform adjustment procedure ( see
chapter 7 )
710
SWO-exit defective
- Change CPU board
- Perform adjustment procedure ( see
chapter 7 )
Table: tab-28e
Содержание Miditron Junior II
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