Troubleshooting Guide - Sharp KP-19S Service Manual

Problem
No power is supplied.
("BOIL" indicator lamp dose
not light up.)
"BOIL" indicator lamp lights up
but water is not heated.
Boiling continues.
Water temperature is kept
low.
Hot water is not or hardly
poured from spout.

TROUBLESHOOTING GUIDE

Check point
Plug of Power cord
ass'y.
Connector of Power cord
ass'y .
Power cord ass'y.
Temperature fuse.
Indication lamp
assembly.
Internal wiring.
Terminal screw.
(Inlet terminal)
Thermostat.
Heater set assembly.
Thermostat.
Internal wiring.
Outer lid ass'y.
Heater set assembly.
Internal wiring.
Thermostat.
Water temperature.
Push button.
Inner lid.
Bellows assembly.
Possible cause
Not inserted into outlet.
Disconnected from inlet
terminal.
Disconnection.
Blown out
(by repeated heating without
water).
Blown out
(by deformation of heater).
Disconnection.
Erroneous wiring.
Loosened or missing.
Poor operation
(no conduction).
Disconnection.
Poor operation.
Erroneous wiring.
Not secured on the body.
Disconnection in heating
circuit.
Erroneous wiring.
Poor operation.
Water is tepid or cold.
Pushing with undue force.
Pushing the outer edge of
the button.
No inner lid.
Poor installation of inner lid.
Defective packing.
Loosened inner lid packing.
Defective inner lid packing.
Incorrect attachment of inner lid Set correctly.
packing.
Air leak from the bellows.
Dislocation of bellows cap
packing-B
12
Correction action
Insert it into outlet.
Connect with inlet.
Replace.
Replace and explain
the users not to heat
the pot without water.
Replace.
Replace.
Correct wiring.
Retighten.
Replace.
Replace.
Replace.
Correct wiring.
Secured on the body.
Replace.
Correct wiring.
Replace.
Explain users that pouring
amount is very small for
tepid or cold water.
Instruct the users to push
with a proper force.
Instruct the users to push
at the center of the button.
Attach inner lid.
Set correctly.
Replace.
Secure correctly.
Replace.
Replace.
Set correctly.