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Part 6: Fault Codes
The DB2000 can display a number of 'Return to Service Centre Codes' to
indicate a fault within the HHP as per the list below.
Code 3
This indicates that the secure areas of memory within the HHP, such as the IMEI,
have become corrupt. This can only be overcome by reprogramming the IMEI - a
function not available to Service Centres.
Code 101
This indicates a power up ROM checksum failure.
Code 102
This indicates a power up RAM check failure i.e a failure in writing to or reading
from the RAM locations.
Code 111
This indicates a difference in the layer 1 calibration checksum stored in EEPROM
compared to the calculated checksum value.
Code 120
This indicates a difference in the Battery Management checksum stored in
EEPROM compared to the calculated checksum value.
Code 130
This indicates that a key is stuck on power up (this could be either the keypad or
volume keys).
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