Testing Procedure; Bubbling Test; Evaporation Test - Panasonic SR-TMJ181 Service Manual

SR-TMJ181

4. TESTING PROCEDURE

4.1 Bubbling test

Input the pan in the main body, lightly rotate the pan clockwise and counter clockwise to settle the pan on the
heating plate properly.
1. Fill water until center area of the pan bottom is dipped and close the lid. Then turn on the boiling switch.
2. When it beings boiling to produce steam. Remove the lid immediately check the bubbling condition on
the pan bottom.
3. As show in the figture.
Bubbles generate through out the circumference of the pan bottom...............................................Proper
Bubbles does not generate on more than one quater part of the pan bottom circumference..........Improper
If it is improper, it may result from the insufficient contact between the pan bottom and heating plate.
Check the pan bottom and the heating plate for foreign material remainder. Clean off the foreign materials
or replace the parts.

4.2 Evaporation test

1. Check that bubbling is proper, open the lid and place a weight.
Note : To prevent plastic parts from deformation caused by steam, be sure to open the lid fully.
2. Fully cover 2 to 3 sheet of tissue paper (gauze is also applicable) on the pan bottom and continuously
flow electric current.
panatex.com.ua
Note : To prevent tissue paper from floating because of bubbling, previously hole the paper.
3. Water on the pan bottom is completely evaporated to be empty. This timing is an follows :
Within 1 minute before the boiling switch is turned off.
Within 1 minute after the boiling switch is turned off.
5 cm
40 cm
Place a weight so that its gravity center may be aligned at the center
Bubbling
- 9 -