Samsung CH070EAV1 Service Manual page 49

Operation method
Step 7

Method)
Input the sixth digit by pressing the
Cancel button.
example) 021E311422852A311439421F
Result)
If 1 displays, go to step 8.
Step 8

Method)
After completion up to step 7, pressing
Mode button.
① 1~7 steps are saved internally.
② If the first number is 1 at the time,
it is correct. So go to step 9.
• If wanting to see the screen
of 2~7 steps, press the mode button
repeatedly to make the first digit 0.
 Step 9
Method)
Input the eighth digit by pressing the
High Temp button.
example) 021E311422852A311439421F
Result)
If 4 displays, go to step 10.
Samsung Electronics
Applicable button Indicating state
4-9