Read Panasonic ES-LL21 / ES-LL41-K520 Service Manual online
ES-LL21/LL41
3
3. TROUBLESHOOTING GUIDE
3.1 Main unit and charging adaptor
<TROUBLE>
<CHECK>
<REMEDY>
→→
NG
OK
NG
OK
NG
OK
OK
OK
NG
Motor does not rotate.
Does not charge.
Functions for a moment and
stops.
Does not charge.
Functions for a moment and
stops.
<Check charging adaptor>
Supply the rate voltage to the adaptor , and
confirm the continuity, okay if it is approx.. DC
6V between the terminals of the plug at the
no-load operation. .
confirm the continuity, okay if it is approx.. DC
6V between the terminals of the plug at the
no-load operation. .
Replace charging adaptor
<Check rechargeable battery >
Okay if the voltage of rechargeable battery is
more than approximately 3.6V DC between (+)
and (-) terminal .
more than approximately 3.6V DC between (+)
and (-) terminal .
Replace rechargeable
battery
battery
<Check module >
Wire the main unit returned from a customer
referring to the following figure , and connect
the rated voltage to it by the normal adaptor .
When switching ON and OFF , check if the
indicator
referring to the following figure , and connect
the rated voltage to it by the normal adaptor .
When switching ON and OFF , check if the
indicator
LCD is lit.
Discharge the battery completely and check
charging current , if it is more than 600-800mA ,
when connecting the charging adaptor .
charging current , if it is more than 600-800mA ,
when connecting the charging adaptor .
Replace module
<Check linear motor >
Wire the main unit returned from a customer
referring to the following figure , and connect the
rated voltage to it by the normal adaptor . When
switching ON and OFF , check if motor rotates .
(Once the battery is replaced , the battery needs
to be charged for a while , otherwise linear motor
may not operate .
referring to the following figure , and connect the
rated voltage to it by the normal adaptor . When
switching ON and OFF , check if motor rotates .
(Once the battery is replaced , the battery needs
to be charged for a while , otherwise linear motor
may not operate .
Replace linear motor
assembly
assembly
Check the soldering
points
points
Click on the first or last page to see other ES-LL21 / ES-LL41-K520 service manuals if exist.