Panasonic MC-BJ870-S149 Service Manual page 30

6.3.4. Diagnosis for Power nozzle/Extension wand
6.3.4.1. Checking the Nozzle motor unit
■What to check/Method
<Check 1> Checking the voltage between the Power nozzle connection terminals of the main unit
• Measure the voltage between the terminals on the underside of the main unit and if it exceeds DC 18.0 V, inspect the Power noz-
zle.
<Check 2> Conduction check of Power nozzle
• Check the conduction between the connection terminals of the Floor nozzle pipe unit using a tester.
*Perform measurement with the roller switch on the underside of the Power nozzle in the ON position (roller is lowered to the
floor).
<Check 3> Checking the conduction and condition of soldering of lead wires
• Check that there is no burnout or poor connection of lead wires by performing a conduction check using a tester.
■Action
• Replacing the Nozzle motor unit
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