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Controls Configuration & Adjustments...
Level-2 Microprocessor Programming... continued:
7. Pool Dead Band Differential... continued:
C. Once the desired dead band value has been selected, not pressing any buttons for
15-seconds will allow the controller to save the selection and return to the normal operating
mode. Pressing the {POOL/SPA] key will also save the selection and step to the next menu
parameter: [LOC] (LOCK CODE).
8. Changing the Service Lock Code and “Back Door” Entry:
A. Changing the Code…
The factory default Service Lock Code is “50”. Service personnel are strongly advised to
retain the factory default setting. However, should unauthorized access to Level-2 (Service)
menu be suspected, it may be necessary to select a code other than “50”. To change the
Service Lock Code:
1) Follow the steps 1 A through 1 D to enter the service menu. Once [dEL] is displayed,
press the [POOL/SPA] key until the display shows [LOC] (LOCK CODE).
2) Press the [UP] arrow key to display the current service lock code value. With the current
value displayed the [UP] arrow key will increase the value while the [DOWN] arrow key
will decrease the value. When the desired value is displayed not pressing depressing
any buttons for 15 seconds will allow the controller to save the selection and return to the
normal operating mode. Pressing the {POOL/SPA] key will also save the selection and
step to the next menu parameter. It is recommended, however, unless attempting to
prevent tampering, that the factory setting of: “50” remain in use.
B. Back-door Access (For use when correct Service Lock Code is unknown):
1) Simultaneously press and hold the [POOL/SPA] and [UP ARROW] keys until the display
shows “888”. This operation will reset the controller to the factory default settings.
2) The factory reset will change the service lock code back to the factory setting “50”. In
addition, all other settings (including external controller configuration) are
returned to the factory defaults. See section in this manual entitled: “Factory Default
Settings” for a complete list of factory default parameters.
(End... Level-2 Microprocessor Programming)