Sharp KS-COM18 Service Manual page 24

No.
Problem
6-3 Warm function operates, but
rice becomes watery.
(Warming temperature too
low)
Rice becomes sticky.
Too much condensation.
Rice becomes yellowish.
Rice has a strange smell.
(Sour or old smell)
CAUTION
1. When the cooker does not warm rice properly, check "caution items at warming". (page 7)
2. When thermistors open or short, "TIMER display" on the PCB are flashing mutually.
The thermistor ass'y opens (TH1) ...................... "C" and "1" appear alternately on display.
The room temperature thermistor.
(TH plate at the PCB ass'y) opens ................ "C" and "2" appear alternately on display.
Cause of problem and location of malfunction
Lid is not closed tightly.
Lid cap is not installed securely.
Rice was not stirred after cooking.
Faulty side heater or faulty installation.
Faulty harness of side heater.
Faulty thermistor ass'y.
Faulty PCB ass'y.
24
Remedy
Repair the lid or close
the lid tightly.
Do not keep rice warm
for an extended period
of time. Stir rice.
Stir rice.
Replace the side heater.
Replace the side heater.
Replace the thermistor
ass'y.
Replace the PCB ass'y.