Test Mode; Bubble Test; Keep Warm Test - Panasonic SR-DF101 Service Manual

9 Test Mode

9.1.

Bubble test

1. Insert the pan into the cooker entire unit and turn it slightly clockwise and anti-clockwise to place the pan properly on the cast
heater.
2. Pour small quantity of water into the pan so that the bottom of the pan is immersed with water and close the outer lid
completely.
3. After connecting to power, select "Quick Cook" from [Menu Select] and then press [Start] button.
4. When the water boils, the cooker will blow off steam. When you see the steam, open the lid, and then press the brim of the
inner pan fi rmly to fully touch it to the cast heater. Then check the water bubbling condition.
See the right fi gures:
• Water bubbles appear at three areas and are distributed
evenly around the circle................................... Normal
• Water bubbles are distributed unevenly and not around
the circle................Defective
The unacceptable result is possibly due to incomplete
contact of bottom of pan and the cast heater. So please
check the heater surface for foreign substance, and remove
them or replace the defective parts (inner pan or cast heater)
9.2.

Keep warm test

1. When it shifts to constant temperature mode, place a mercury thermometer between urethane foam blocks, as indicated in
the following picture. Urethane foam blocks (ASN-300) and thermometer (ASN-150H) are supplied as spare parts.
2. Place the urethane foam blocks holding the thermometer in the center of the bottom of the pan, and allow the cooker to run in
the Keep Warm process for more than 1 hour.
3. More than one hour later, open the lid and read the temperature within 10 seconds.
The temperature range from 69°C to 77°C............. Normal
If the warming temperature is out of this range, make sure that no dirt or foreign substance is stuck to the pan sensor or on the
bottom of the pan.
Remove the dirt or foreign substance if there is any.
Replace the control board if no dirt or foreign substance is found.
Urethane Urethane
foam blocks foam blocks
Pan Pan
Mercury Mercury
thermometer thermometer
20
bubble bubble
Mercury Mercury
thermometer thermometer