Unlocking The Safety Temperature Limiter (Stb) - JUMO ATH-SE Series Operating Manual

6 Startup
6.2

Unlocking the safety temperature limiter (STB)

If the set limit value is exceeded, the STB switches off and can only be unlocked after the limit value
(danger temperature) has been undershot by approx. 10 % of the scale range.
1. 2. 3.
1. Unscrew the cap nut (A).
2. Press the rest button (B) until the microswitch is reset.
3. Screw the cap nut (A) back on.
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