Echo shindaiwa DCS-1600 Service Manual page 15

DCS-1600
2-2 Troubleshooting chart (Continued)
Troubleshooting "STEP5" ~Checking each sensor and switch (Continued)~
Inspecting variable resistance part
(4)
No
A
Yes
B
Inspecting hall effect sensor of motor
(5)
Yes
E
No
Yes
H
No
J
Inspecting temperature of control board
(6)
Yes
M
No
N
TROUBLESHOOTING
A: Inspect resistance between terminal "1" and "2" of
1) Its value is 100 Ω or less when pressing the switch
C
2) Its value is between 70 kΩ and 130 kΩ when not
B: Go to page 11 (8).
D
C: Replace the variable speed switch with new one.
D: Go to page 11 (9).
E: Is there any trouble in terminals and leads of mo-
F F: Repair or replace defective objects as needed.
G: Go to page 11 (9).
G
H: Is resistance between terminal "4" and "5" of mo-
K
J: Go to page 11 (8).
L
K: Replace the motor with a new one. (Refer to Sec-
L: Go to page 11 (9)
M: Is control board hot?
N: Go to page 11 (8).
P: Cool the control board to normal temperature.
P
Q: Go to page 11 (9).
Q
variable speed switch as follows: (Refer to Section
5-1)
to the end.
pressing the switch.
(Refer to Section 5-2)
tor's 5-pole terminal ?(Refer to Section 6-1)
(Refer to Section 6-2)
tor's 5-pole terminal about 0Ω (short circuit) ?
(Refer to Section 6-1)
tion 6-2)
13