3-15
DNW-A22/A22P
ERROR-22 REEL POSITION SENSOR TROUBLE
(REEL POS SENSOR)
Description:
The L and S cassette positions of the reel table were detected simultaneously.
Detecting condition:
When the L and S position sensors detect the L and S cassette positions, respec-
tively at the same time.
Sub error message:
None
Possible causes:
.
S position sensor (PTC-71 board) trouble
.
L position sensor (PTC-71 board) trouble
.
Reel position input port (IC1 on MS-50 board) trouble
Protecting operation:
If possible, ejects the cassette, when an error occurs during cassette insertion.
Prohibits the cassette insertion.
ERROR-23 THREADING RING POSITION ERROR
(THRED RING SENS)
Description:
The thread end and unthread end states were detected simultaneously.
Detecting condition:
When the thread end and unthread end sensors detect the thread end and un-
thread end states, respectively at the same time.
Sub error message:
None
Possible causes:
.
Thread end sensor (TR-79 board) trouble
.
Unthread end sensor (TR-79 board) trouble
.
Thread end or unthread end input port (IC1 on MS-50 board) trouble
Protecting operations:
Ejects the cassette during cassette insertion or ejection.
Enters the protection mode during tape threading/unthreading.
Stops the tape transport and enters the rest state in cases except the above.
3-2. Details of Error Messages
