JUMO 14597 safetyM TB/TW - Temperature Limiter and Temperature Monitor Operating Manual - Manual (Page 18)

5 Commissioning the instrument 2014-06-12 16
5.4 Canceling editing
+ will cancel editing, the original value is retained.
5.5 Acknowledging alarms (for temperature limiters (TB) only)
Requirement: C114 = 0 or C114 = 1
h Press (Reset) with a suitable tool