Iv.m) Factory Settings; Service Menu - TECH ST-402N PWM User Manual

ST-402N User's Manual v 1.0.3
program version appears.

IV.m) Factory Settings

This function allows the user to load factory settings previously recorded in the service menu.
V. Service Menu
In order to enter the service settings, the user should select the SERVICE MENU option and then select
code 0112 using the Plus and Minus buttons and confirm it by pressing the Menu button. In order to
return to the display's main view (exit the service menu), the user should use the Exit button by
pressing it several times or waiting for approx. 30 seconds (the device will then automatically leave the
service mode).
The flowchart of the Service Menu is given below.
The ST-402N controller is adapted to operate various heating installations. When the
installation's scheme is changed this may lead to the appearance of additional functions in the
controller's service menu – marked with an asterisk (*) in the following flowchart.
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