User
Operation
Problem
Beep sound
What to check
How to fix the problem
Feeding Motor end its life (Brush is worn out).
Foreign substance entered into the Feeding Motor and lock up the motor.
Replace Feeding Motor with a new one.
Foreign substance prevents rotation of the Feeding Gear.
Remove the foreign substance.
Movement of the cutter parts is not smooth and the Cutter blocks the hole
of the Fixed Cutter.
Clean up the Cutter and Fixed Cutter and apply Molykote grease.
Yes
No
Twisti Guide Cover is deformed.
Torsion spring on the Twist Guide Cover is deformed.
Replace Twist Guide Covers and torsion springs.
Yes
1) Connector of the sensor at Twist Guide Cover is not connected firmly
or the connector is broken.
2) Sensor board D unit or Sensor board E unit is broken.
3) Magnet holder L unit or Magnet holder R unit is broken.
1) Connect the connectors firmly.
2) 3) Replace the broken part with a new one.
No
PC board has problem.
Replace PC board with a new one.
Yes
Tooi is overheated.
Turn the main switch off and keep the tool in cool place for a while.
No
V shape groove of the Feeding Gear is worn out.
The bearing of the Feeding Gear is broken.
Replace the Feeding Gear with a new one.
Yes
1) Cut end of the wire or foreign obstacle blocks the Wire Guide B.
2) Spring at the Feeding Gear is worn out.
1) Remove the cut end of the wire or foreign obstacle from the Wire Guide
B.
2) Replace the spring with a new one.
Yes
The Cutter Ring (steel plate) on the Twister is not assembled between the
legs of the Wire Guide Lever.
Assemble the Wire Guide Lever correctly.
No
Wire Guide Unit is deformed and the gap between the silver pin on the
Wire Guide Unit and Arm A is too large.
Replace the Wire Guide Unit with a new one.
No
1) V shape groove of the Feeding Gear is worn out.
2) The spring at Feeding Gear is worn out.
1) Replace the Feeding Gear.
2) Replace the spring.
Yes
The play between the Magazine and Magazine Cover is too big.
Turn the Adjust Ring to tighter position and reduce the play.
No
Due to the missing magnet, the feeding length of the wire becomes longer
than regulated.
Replace the Magnet Holder Unit with a new one.
Yes
The dust or iron powder on the magnet prevents the sensor from
detecting magnetic power.
With compressed air, remove the iron powder or dust from magnet.
No
The sensor at Feeding Gear does not work.
Connect the connectors firmly.
Yes
Sensor Board C unit is broken.
Harness 7P Unit is cut.
Replace Sensor Board C or Harness 7P unit with a new one.
No
The PC boards can not detect the rotation of the Twisting Motor.
Connect the connector and wire harnesses firmly.
Yes
Twisting Motor is locked. Or Twister is locked.
Remove foreigh substances which lock the motor or Twister.
No
The PC boards can not detect the position of the Twister.
Connect the connectors firmly.
Yes
1) Harness 11P unit is cut or Sensor board A unit is broken.
2) Twister is locked.
1) Replace Harness 11P unit with a new one.
2) Remove foreign substances which lock Twister.
No
Tie wire got entangled around the Hooks.
Remove the tie wire from the Hooks.
Yes
1)The Cutter Ring (steel plate) on the Twister is not assembled between
the legs of the Wire Guide Lever.
2) Wire Guide Unit is deformed and the gap between the silver pin on the
Wire Guide Unit and Arm A is too large.
1) Assemble the Wire Guide Lever correctly.
2) Replace the Wire Guide Unit with a new one.
Other problems are same as
the case of Twister is in its
home position.
No
The PC boards can not detect the rotation of the Twisting Motor.
Connect the connector and wire harnesses firmly.
Yes
1) Twisting Motor is locked. Or Twister is locked.
2) Connector on the Twisting Motor is cut.
1) Remove foreigh substances which lock the motor or Twister.
2) Replace Twisting Motor with a new one.
< TROUBLE SHOOTING OF RB655 (2/3) >
- 79 -
Beee……
(Continuous beep)
< Twist Guide Cover open
beep >
Does the Connector of Harness
11P unit (3P) connected firmly to
the Sensor board A unit?
Bip-bip-bip, bip-bip-bip,...
(Triple repetitive beep)
< Feeding action error >
Is the connector on Sensor Board
C connected firmly?
Do Twist Guide Covers close
perfectly?
Bip-bip-bip-bip-bip
(Five beep)
Normal tool operation
When the
Twister is
not in its
home
position.
(Hooks are
not in
horizontal
position)
1) Twister
goes back to
its home
position.
2) Feed
Gear feeds
wire
Twister does not go back to
home position.
Tip of the tie wire does not
come out from the Arm A.
When the
Twister is in
its home
position
(Hooks are
in horizontal
position)
The tie wire fed is too long.
Wire is not fed
Cause of the problem
No
Does the connector on Twisting
Motor is connected to Sub board
firmly?
Do the three wire harnesses
(Yellow, Bule, White) connected
same color wire of the Main
Board firmly?
Bip, bip, bip ….(Slow)
<Tsister movement error
beep>
Is the Wire Guide Unit closed
when the Twister is in its home
position?
No beep
Does the Magnet Holder Unit
have 4 pcs. of the magnet?
Is Feeding Gear on the Feeding
Motor is rotating?
Do the Feeding Gears hold the tie
wire firmly?
No beep
Bip, bip, bip, bip…
(Fast single beep)
< Overcurrent error beep >
The length of tie wire fed is too
short and the Hooks can not
catch the tip of the tie wire.
3-
1) The Hooks do not catch the
tip of tie wire.
(Twister does not move)
2) After catching the wire,
Twister stops.
Hooks catch the tip of tie
wire
2
No beep
Bip-beee, Bip-beee, ...
<Twisting Motor error beep>
(New beep sound from
RB655)
Pull the
Trigger
Is the tie wire deformed inside of
the Magazine?
Does the connector on Twisting
Motor is connected to Sub board
firmly?
Do the three wire harnesses
(Yellow, Bule, White) connected
same color wire of the Main
Board firmly?
Feed gears
feed tie wire
Twister goes back to home
position and feeds wire but the
tip of the tie wire does not
come out from the Arm.
No beep
Are the Hooks are in horizontal
position?
No beep
Twister goes back to home
position then stops.
Bip, bip, bip ….(Slow)
<Tsister movement error
beep>
Is the tool body very hot?