Echo shindaiwa DCS-1600 Service Manual page 12

10
2-2 Troubleshooting chart (Continued)
Troubleshooting "STEP4" ~Checking degradation and overdischarge of battery~
Start
A
B
Yes
C D
No
F
L
Step0
N
TROUBLESHOOTING
No
E
Yes
No
G
Yes
Yes
H
No
No
J
Yes
Step1
K
Step2
Yes
K
No
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
1 time per second?
D: 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.
E: Repair or replace defective object(s) as needed.
F: Is voltage between battery terminal (+) and (D-)
55V or more? (Refer to Section 9-4)
G: Fully charge the battery.
H: Is voltage between battery terminal (+) and (D-)
55V or more? (Refer to Section 9-4)
J: Has Troubleshooting "Step 1" already been
done?
K: Go to "Step 2" to find cause of battery failure.
After passing Step2 then replace the battery to
new one and continue to diagnosis. *.
* Be sure to check Troubleshooting "Step2"
before installing new battery. If the unit has
something wrong, the battery can be damaged
again.
L: Is resistance between battery terminal (D) and
(D-) 12.1 kΩ or more? (Refer to Section 9-4)
N: Replace the control board with new one. (Refer
to Section 6-2)
DCS-1600