Conditions

B2770: Faulty Cassette/Mechanical Failure in the Main Unit.
B2775: Tape-Speed Error.
B2800: Tape Jammed or Mechanical Failure.
B2802: Tape Jammed or Mechanical Failure.
B2805: Tape Jammed or Mechanical Failure.
B2810: Tape Load/Eject Error.
B2815: Tape Head Movement Error.

Fault symptoms
The following information is shown on SID:
- B2770: TAPE ERR 01-04 (cassette player)
- B2775: TAPE ERR 05 (cassette player)
- B2800: TAPE ERR 02 (cassette player)
- B2802: TAPE ERR 01 (cassette player)
- B2805: TAPE ERR 03 (cassette player)
- B2810: TAPE ERR 11 (cassette player)
- B2815: TAPE ERR 12 (cassette player)

Conditions
B2770
Diagnostic trouble code B2770 is generated if the cassette is broken or jammed, if it does not eject or if there is mechanical failure in the cassette player.

B2775
Diagnostic trouble code B2775 is generated if the main unit detects that the tape speed deviates greatly from the nominal speed.
The sound emitted is faulty.

B2800
Diagnostic trouble code B2800 is generated if the cassette is jammed, i.e., it the tape is tangled, or it there is mechanical failure in the cassette player.

B2802
Diagnostic trouble code B2802 is generated it the tape is broken or if there is a mechanical failure in the cassette player.

B2805
Diagnostic trouble code B2805 is generated if the cassette is jammed, i.e., if the tape is tangled, or if there is mechanical failure in the cassette player.

B2810
Diagnostic trouble code B281 0 is generated if the cassette does not load or eject.

B2815
Diagnostic trouble code B281 5 is generated it the tape head does not move correctly.