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R
epair
[4] TROUBLE SHOOT
Symptom
Cause
Corrective action
Check List for Trouble Shooting 1
Check the items from top of the following list. (Description of the item is referred to Circuit diagram in
Fig. D-1
.
Make re-check, after corrective action, returning to the start of Trouble shooting.
The Tester designate
0.7V ~ 0.9V?
Yes
Yes
Yes
Yes
No
No
LED Job light
is ON.
Motor does not rotate
normally, and Scratch
is recognized on Core
of Rotor.
Do the running test to pull
the trigger by repeating 10
times in F mode, and 10
times in R mode.
In case of running
inconstantly, go to “No”.
LED light is ON.
If the machine shows same symptom,
in spite of the above corrective actions
Yes
No
No
No
No
No
Replace Controller.
The machine does
not have any trouble.
Rotor is broken.
Stator is broken.
Replace Stator.
Replace Rotor.
Replace Controller.
Breakage of Controller
Disconnection of
Lead wires
Check the Lead wires,
or replace the Lead
wires.
Replace LED light
circuit.
Breakage of LED
light circuit
Incomplete connection
of Connectors
Check the connected
condition of Connectors.
Incomplete connection
of Connectors
Check the connected
condition of Connectors.
Disconnection of
Lead wires
Check the Lead wires,
or replace the Lead wires.
Disconnection of
Lead wires
Check the Lead wires,
or replace the Lead wires.
Switch is broken.
Replace Switch.
Trouble in Terminal
Check the Terminal, or
replace with fresh one
Replace Controller.
Breakage of Controller
Replace Controller.
Breakage of Controller
Breakage of Controller
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