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Chapter 7.0
Trouble Shooting Guide
7.1 Operator Forgets Security Lockout Code
If the authorized programmer of the instrument forgets
the security code for the instrument and is locked out,
follow this procedure:
A. Scroll through the menu to the Lock/Unlock menu.
Press the ENT key.
B. At the prompt, enter the code 00000 using the keypad.
C. The instrument will display a message "CALL IN
CODE" and a 5-digit number. (Leave unit running with
this display showing)
D. Call the manufacturer and ask for the proper Cus-
tomer Service personnel.
E. Customer Service will ask for the 5-digit CALL IN
CODE and will give you back a 5-digit RETURN CODE
that was generated by a computer.
F. Enter this 5-digit RETURN CODE using the keypad.
G. You will have 5 chances to enter the RETURN CODE,
after which this procedure will have to be repeated.
H. Once the new 5-digit code has been successfully en-
tered, it will unlock the Flow Computer.
I. It will be your responsibility to reset the instrument
with a new 5-digit lockout code.
J. If, at a later date, you are locked out of the instrument
again, you will have to call again and repeat this proce-
dure, a new "CALL IN CODE" will be generated by the
instrument.
7-1
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