Sharp KS-R19S Service Manual page 18

2. Trouble during Warm-keeping (capable of cooking)
Problem
Warm indicator
Unable to keep
lamp will go ON.
warm.
Warm-keeping is
Cooked rice becomes
capable but
dry. (Too high
insufficient.
temperature).
(First check if
Too loose. Discolored
"Precautions for
into yellow. Smelling.
Warm-keeping to
(only when warm
Get Tasty Rice" is
keeping)
Cooked rice becomes
followed.)
waterish (Too low
temperature). Sticking.
Excessive dew.
Discoloring. Smelling
(acid smell, rotten
smell).
3. Other Trouble
Lamps will not go ON or they flickers.
Temperature fuse flow out.
Affected by electric shock from cooker
body at a touch.
Incapable of smooth accommodation of
cord.
Possible Cause
Faulty side heater assembly or lid
heater assembly.
Faulty or loose wiring.
Faulty thermostat (cut off).
Faulty or loose wiring.
Faulty thermostat (cut off)
* Unloosed rice after cooking.
Faulty side heater assembly or
lid heater assembly.
Faulty or loose wiring.
Faulty thermostat (cut off).
Faulty receptacles. (Contact failure
with plugs).
Nearly broken or contact after
breakage of cord.
Contact failure cord reel assembly.
Loose wiring.
Faulty lamp or resistor.
Maladjustment switch assembly.
* Cooked by depressing the switch
button forcibly with chopsticks, etc.
Maladjustment or short-circuit of
switch assembly.
Faulty wiring.
Faulty insulation of heater plate
assembly, side heater assembly,
lid heater assembly, switch assembly,
cord reel assembly, etc.
Water-soaked lid, cooker body, etc.
* Due to unsatisfactory handling
(twisted or bent cord).
Faulty cord reel assembly.
18
Corrective Action
Replace side heater assembly
or lid heater assembly.
Correct wiring.
Replace thermostat (cut off).
Correct wiring.
Replace thermostat (cut off)
* Advise proper operating
instructions.
Replace side heater assembly
or lid heater assembly.
Correct wiring.
Replace thermostat (cut off).
Repair receptacles.
Replace cord reel assembly.
Replace cord reel assembly.
Repair.
Replace neon lamp assembly.
Adjustment switch assembly.
* Advise proper operating
instructions.
Repair or replace switch assembly
and replace faulty parts.
Repair wiring.
Replace faulty parts.
Replace faulty parts after drying.
* Advise proper operating
instructions.
Replace cord reel assembly.