09/03
2-79
DC 3535/2240/1632, WC M24
4-908
Status Indicator RAPs
Initial issue
4-908 2nd BTR Life End
2nd BTR end of life.
Procedure
Replace the 2nd BTR (PL 2.8) (REP 9.24). The problem continues.
YN
Return to Service Call Procedures.
Was the 2nd BTR Unit HFSI Counter reset in dC135 on the PWS.
YN
Reset the 2nd BTR Unit Counter.
Replace the MCU PWB (PL 13.1).
CAUTION
Careful replacement of the MCU NVM PWB (REP 1.15) is important to avoid serious machine
failure.
If the problem continues, replace the MCU NVM PWB (PL 13.1).
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