Panasonic MC-BJ870-S149, Service Manual

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■ Action
• Replacing the Lithium-ion battery
6.3.3. Diagnosis for main unit components
6.3.3.1. Checking the Motor assy
■ What to check/Method
<Check 1> Checking for damage or burnout of lead wires and connectors.
• Check whether there is any damage, burnout or poor connection of connectors and lead wires.
<Check 2> Motor assy (checking rotation)
• Turn on the power and check whether the sound of the motor can be heard.
<Check 3> Checking the voltage of the P.C.B A unit
• Check the voltage of TAB1 - TAB2 on the P.C.B A unit (21V to 26V DC with full battery)
*Also check whether the P.C.B A unit current fuse is blown.
■ Action
• Replacing the Motor assy
*If there is a blown current fuse due to an abnormality in the Motor assy, replace both the P.C.B holder A unit and the Motor assy
together.
<Clearing error memory>
Hold down the “OFF” switch for 10 seconds to clear the error memory.