Echo shindaiwa DCS-1600 Service Manual page 13

DCS-1600
2-2 Troubleshooting chart (Continued)
Troubleshooting "STEP5" ~Checking each sensor and switch~
Start
(9)
From page 12 or 13
A
B
Yes
C D
No
F
H
Step0 K
TROUBLESHOOTING
Yes
E
No
Yes
G
No
(8)
From page 12 or 13
No
J
Yes
WARNING
Verify the safety of the surroundings when
doing Troubleshooting STEP5. The machine
may run unexpectedly.
A: Install battery on the unit correctly.
B: Release chain brake and press power switch
without holding trigger lever.
C: Press power switch. Is LED indicator flashing
4 time per second?
D: Are battery and unit cold?
E: Warm the battery and the unit to normal tem-
perature.
F: Conduct diagnosis of abnormal condition.(Refer
to Section 2-3) Is LED indicator flashing or ligit-
ing?
G: Go to the next step according to the numbe of
continuously flashing of LED indicator.
2 times: Go to page12 (1)
5 times: Go to page12 (2)
7 times: Go to page12 (3)
8 times: Go to page13 (4)
9 times: Go to page13 (4)
16 times: Go to page13 (5)
17 times: Go to page13 (6)
H: Inspect the unit as follows:
1) Each connection between terminals is secure.
2) Each connection of terminal housing and lead is
secure.
3) Electrical current can flow through each lead.
4) There are no any short curcuits.
5) There are not any conductive substances (water,
metal pieces, etc.) on the surface of control board.
J: Repair or replace defective object(s) as needed.
K: Control board or motor may be defective.Pre-
pare control board and motor and then cross-
check. Replace the defective one with new one.
11
DANGER