How to restore the factory setting for T-506 temperature controller of S&A chiller

Now I show you how to restore to factory setting for T-506 temperature controller of S&A chiller

Before machine startup, press and hold ▲▼bottons

Startup the chiller untill the controller displays rE

6 seconds later after releasing the buttons, the controller works in normal order

All parameters values setting of the controller have been restored to factory settings.

Thanks for using S&A chiller.

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