Troubleshooting; Note In Repairing; Test For The Trouble On Controller - Makita DGA417 Repair Manual

8

TROUBLESHOOTING

Whenever you find any trouble in your machine, first, refer to this list to check the machine for solution.
8-1

Note in Repairing

1
Use a full charged battery that has the star mark.
2
When Housing is disassembled, check the conditions of the electrical parts (Connectors, Lead wires, Switches, etc.),
Rotor, Stator, Gear section, etc.
3
By running the motor 10 times, check the machine to make a correct diagnosis..
8-2

Test for the trouble on Controller

0.8
1R402-A: Pocket digital tester
1. Preset to diode mode.
1R402-B：Alligator clip set
Fig. A
3. Apply black Probe to (+) Terminal. Red Probe to ( –) terminal.
4. Wait until the figure on Tester gets stable..
Controller is in order if Tester indicates 0.8V ± 0.1V.
Otherwise, Controller is broken. Replace it with a new one.
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Fig. B
2. Lock Switch lever to "ON".
Fig. C