Brother RH-9820 Service Manual page 19

Device settings
Setting
No.
range
Hammer on time (ms)
550
25 - 200
Hammer home position recognition height
551
150 - 170
Hammer home position error checking
552
OFF
ON
Verification of hammer raised position using timer (ms)
OFF
553
50 - 500
Verification of hammer lowered position using timer (ms)
OFF
554
100 - 500
Upper thread remaining amount increase (mm)
OFF
555
1 - 3
Upper thread tension release off timing (ms)
* This is only displayed for -00 and -01 specifications.
556
0 - 100
Upper thread tension release off timing (ms)
* This is only displayed for -02 specifications.
557
0 - 100
Disabling use of lower thread trimmer
* This is only displayed for -01 and -02 specifications.
558 OFF
ON
Verification of lower thread trimming off using timer (ms)
* This is only displayed for -01 and -02 specifications.
OFF
559
5 - 50
When a larger value is set, the period of contact between the hammer and the knife
becomes longer.
Setting can be carried out in units of 5 ms.
Note: If this is set to a larger value than necessary, it will shorten the useful life of
the hammer and the knife.
In the standby condition, an error (E650) will occur if the value which is read by the
hammer position sensor is less than this value.
* This setting is enabled when hammer home position error checking is enabled.
Hammer home position error checking disabled
* This is used when there is a problem with the hammer position sensor.
Hammer home position error checking enabled
Verification of the hammer raised position is carried out based on the hammer position
sensor.
Verification of the hammer raised position is carried out based on the timer.
Setting can be carried out in units of 50 ms.
* This is used when there is a problem with the hammer position sensor.
Verification of the hammer lowered position is carried out based on the hammer position
sensor.
Verification of the hammer lowered position is carried out based on the timer.
Setting can be carried out in units of 100 ms.
* This is used when there is a problem with the hammer position sensor.
Normal
By delaying the upper thread trimming timing by the amount set, it is possible to increase
the amount of upper thread remaining from normal.
Setting can be carried out in units of 1 mm.
When a larger value is set, the upper thread release off timing is delayed after upper
thread trimming.
Setting can be carried out in units of 2 ms.
* This is only enabled for -00 and -01 specifications.
When a larger value is set, the upper thread release off timing is delayed after upper
thread trimming.
Setting can be carried out in units of 2 ms.
* This is only enabled for -02 specifications.
Normal (lower thread trimmer operates)
Operation of the lower thread trimmer is disabled.
* This is only enabled for -01 and -02 specifications.
Verification that the lower thread trimmer is off is carried out based on the lower thread
trimming off sensor.
Verification that the lower thread trimmer is off is carried out based on the timer.
Setting can be carried out in units of 5 ms.
* This is used when there is a problem with the lower thread trimming off sensor.
* This is only enabled for -01 and -02 specifications.
Setting items
RH-9820
2. FUNCTION SETTINGS
Default
value
25
160
ON
OFF
OFF
OFF
50
50
OFF
OFF
10