Brother RH-9820 Service Manual page 25

<Input check list>
No. Check item
1 Power supply voltage
2 X axis home position sensor
3 X axis encoder signal
4 Y axis home position sensor
5 Y axis encoder signal
θ axis home position sensor
6
θ axis encoder signal
7
8 Treadle analog value
9 Work clamp switch
10 Start switch
STOP switch connection
11
signal
12 STOP switch
13 Machine head safety switch
14 Hammer position sensor
Lower thread trimming OFF
15
sensor
16 Fan lock detection signal
17 Zigzag sensor
18 Needle up signal
19 Needle drop signal
20 Upper shaft encoder signal
Checking method
→
Move the feed base to the left and
right by hand.
Move the feed base to the left and
right by hand.
Move the feed base forward and
back by hand.
Move the feed base forward and
back by hand.
Turn the looper base by hand.
Turn the looper base by hand.
Operate the treadle.
Press the work clamp switch.
Press the start switch.
→
Press the STOP switch.
Tilt back the machine head.
→
Turn the lower thread trimming
cylinder on and off manually.
→
Turn the upper shaft pulley by
hand.
Turn the upper shaft pulley by
hand.
Turn the upper shaft pulley by
hand.
Turn the upper shaft pulley by
hand.
RH-9820
2. FUNCTION SETTINGS
Judgment
Normally around 100%
Left area: No switching ON/OFF
Right area: Switches ON/OFF
Left direction: Up
Right direction: Down
* When the power is turned on, the
position will be 0.
Forward area: OFF
Backward area: ON
Forward direction: Up
Backward direction: Down
* When the power is turned on, the
position will be 0.
Counterclockwise turning
switching ON/OFF
Clockwise turning area: Switches ON/OFF
Counterclockwise direction: Up
Clockwise direction: Down
* When the power is turned on, the
position will be 0.
When depressed backward: About 48
When at neutral position: About 100
When depressed forward: About 190
ON: When pressed
OFF: When not pressed
ON: When pressed
OFF: When not pressed
ON: Connected
OFF: Not connected
ON: When pressed
OFF: When not pressed
ON: Normal condition
OFF: Machine head is tilted back
Normally around 190
ON: When cylinder is off
OFF: When cylinder is on
ON: Fan is not operating
OFF: Fan is operating
ON: Inner zigzag
OFF: Outer zigzag
ON: Raised
OFF: Not raised
ON: Lowered
OFF: Not lowered
Normal rotation: Up
Reverse rotation: Down
* Normally within the range of 0 - 179.
However, an unstable value may be
displayed just before a single rotation
is completed.
area: No
16