Panasonic EY6220 - Page 7

MODEL EY6220
WIRING CONNECTION DIAGRAM
Main Unit
Switch 'S>
^?The color of wires are subject to change without notice.
TROUBLESHOOTING GUIDE (Refer to WIRING CONNECTION DIAGRAM)
<TROUBLE>
<CHECK>
<REMEDY©
Does not operate.
Check battery pack If no less than 2.4V DC is available across the ©
and © terminals, the battery pack is OK.
Note The battery pack has a limited life. Under
the conditions given below, the pack should
be replaced The battery pack is sold
separately under catalog No. EY9021B.
*lf after being charged for the rated charging
time.
-The battery voltage is less than 2.4V DC.
-The usable time is extremely short.
*Check battery for leaks and terminals for
corrosion. If battery leaks, discard.
Replace battery pack.
I
Check terminal
connections between
grip handle and
battery pack.
If there is continuity when a tester © probe is
applied to the battery pack (S)and a tester © probe
is applied to the © terminal of the battery pack, the
pack is OK Also, if there is no continuity when the
tester terminals are reversed, the pack is OK.
Check for proper terminal contacts
There should be about 2.4V DC between the ©
and © of the grip when the battery pack is inserted
in the grip handle
Repair the contacts
or replace grip
handle.
Check main switch.
When the battery pack is inserted in the grip
handle, with the switch on (forward/reverse), if
there is about 2 4V DC between the © and (2),
then it is OK
Replace main switch.