Installation Guide

P 19/ 19
Repair
6-2 Note in Repairing
(1) Make sure to use full charged battery with Star mark (Fig. 6-2-1).
(2) When Housing is disassembled, check the conditions of electrical parts
(Connectors, Lead wires, Switches, etc.), Rotor, Stator, Gear section, etc.
(3) Do the running test 10 times in every work mode.
Star mark
Fig. 6-2-1
Fig. T-2
6-3 Test for recognizing the short-circuit of FET (Field Effect Transistor) on controller
Trouble on Controller can be checked with Tester as follows.
(1) Set Digital tester (1R402-A) in the Diode mode.
(3) Contact Black probe with (+) Terminal.
Contact Red probe with (-) Terminal.
Wait until the figure on Tester gets stable.
Note: Be careful not to reverse them. The
reversed contacts could spoil the test.
(4) Controller is in order if Tester indicates
0.9V ~ 1.3V. If Tester indicates 0 V~0.4 V approx.,
Controller is broken. Replace it with a new one.
(+) Terminal (-) Terminal
Black probe
Red probe
(2) Remove Battery from the machine.
Lock Switch trigger to ON position
by fixing with Band.
Switch trigger
Band