Panasonic NC-HU301P Service Manual page 14

3.6.5. Keep warm (When want to reboil from 90 Keep warm)
After 3 minutes.
If the water is added, check the Long Boil/Reboil LED lighted on. If does not light on, press the Long Boil/Reboil LED.
There may be not start boiling automatically.
In this case, switches to Keep warm after once boiled. (Measure for unwanted bacteria)
Initial setting of Keep warm is 90 when power on.
3.6.6. Cleaning (When cleaning with citric acid from the water)
When power ON.
(Long Boil/Reboil LED : Lighted)
3.6.7. Detection of Abnormal Operation
No-water boiling or abnormal
temperature (Long Boil/Reboiling,
Keep warm LEDs blink alternately.
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(Long Boil/Reboil LED : Blink)
Press Long Boil/Reboil
pad 2 times
Boiling detection after
2.5 to 5 minutes
After approx.
2.5 to 4.5 hours
(Long Boil.Reboil LED : Lighted)
(Rotating Cleaning sign lighted)
Press Slect pad and
set to Cleaning
Themistor disconnection
(Long Boil/Reboiling, Keep
warmLEDs blink alternately.
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NC-HU301P, NC-HU401P
Boiling detection after 2 minutes
(Long Boil/Reboil LED : OFF)
Extend boiling approx.
6 minutes
Keep warm LED, 8 sign and
sign blink at the same time
After approx. 31 to 32
min. from normal water
temperature.