Tru-Test WOW2 - Page 20

EziWeigh5i, EziWeigh6i, EziWeigh7i, WOW2, DAS WOW2
Issue 2, 7/2017 20
EziWeigh5i
Power
Zero
Backlight
Auto zero
Resolution
EziWeigh6i, EziWeigh7i, WOW2 and DAS WOW2
Power
Zero
Record
Keypad (all
numbers)
Escape
Menu
Enter
Up arrow
Down arrow
The keypad may fail due to an internal short circuit.
To test the keypad for short circuits
1 Disconnect the keypad FPCs from the PCA.
2 Test the resistance between the keypad FPCs for all contacts. All contacts can be tested at the
same time.
Figure
2
: Measuring keypad
contact resistance.