[Alerts] Please stop yelling, it's not so hot (yet) ... But we keep watching you.

roles/prometheus/templates/prometheus/alert.rules.yml.j2

@@ -89,7 +89,7 @@ groups:
       description: "https://grafana.crans.org/d/qtbg59mZz/alimentation"
 
   - alert: UpsTemperatureWarning
-    expr: (xupsEnvRemoteTemp < 10) or (xupsEnvRemoteTemp > 24)
+    expr: (xupsEnvRemoteTemp < 10) or (xupsEnvRemoteTemp > 26)
     for: 5m
     labels:
       severity: warning