Echo shindaiwa DCS-1600 Service Manual page 16

14
2-2 Troubleshooting chart (Continued)
Troubleshooting "STEP6" ~Checking brake switch and over load ~
Start
A
B
Yes
C
No
Yes
H
No
Step0
J: Conduct diagnosis of abnormal condition. Is LED indicator continuously flashing 2 or 17 times?(Refer to Section 2-3)
K: Cool the unit.
L: Inspect the unit as follows:
1) Sprocket is clogged with saw dust or something.
2) Unsuitable saw chain or guide bar is used.
3) Saw chain tension is too tight.
4) There is trouble in drive system.
M: Clean, repair or replace the object(s) as needed.
TROUBLESHOOTING
No
D
E
Yes
No
F
Yes
G
Yes
J K
No
Yes
L M
No
No
E
F
Yes
G
WARNING
Verify the safety of the surroundings when
doing Troubleshooting STEP6. The machine
may run unexpectedly.
A: Install battery on the unit correctly.
B: Release chain brake and press power switch
without holding trigger lever. And then hold trigger
lever.
C: Motor does not run and LED indicator is flashing 4
times per second.
D: Inspect brake switch as follows: (Refer to Section
3-1)
1) Electrical current can flow between terminal "1" and
"2" when pressing brake switch.
2) Electrical current can not flow between terminal "1"
and "2" when not pressing brake switch.
E: Repair or replace defective object(s) as needed.
F: 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 short curcuits.
G: Control board or motor may be defective.Prepare
control board and motor, and then cross-check.Re-
place the defective one with new one.
H: Motor stops after running and LED indicator is
flashing 4 times per second.
DCS-1600
DANGER