diff --git a/src/CHANGES.md b/src/CHANGES.md
index d2170bf1..f248814e 100644
--- a/src/CHANGES.md
+++ b/src/CHANGES.md
@@ -1,7 +1,8 @@
 # Development Changes
 
 ## 0.8.117 - 2024-05-09
-* fix reboot issue #1607
+* fix reboot issue #1607 #1606
+* fix max temperature tooltip if only one inverter is configured #1605
 
 ## 0.8.116 - 2024-05-05
 * calculation of max AC power
diff --git a/src/hm/hmInverter.h b/src/hm/hmInverter.h
index 2263188c..445a7bab 100644
--- a/src/hm/hmInverter.h
+++ b/src/hm/hmInverter.h
@@ -234,6 +234,7 @@ class Inverter {
             initAssignment(&recordAlarm, AlarmData);
             toRadioId();
             curCmtFreq = this->config->frequency; // update to frequency read from settings
+            resetAlarms(true);
         }
 
         uint8_t getPosByChFld(uint8_t channel, uint8_t fieldId, record_t<> *rec) {
@@ -594,8 +595,8 @@ class Inverter {
             memset(mLastYD, 0, sizeof(float) * 6);
 
             if(clear) {
-                tsMaxAcPower = 0;
-                tsMaxTemperature = 0;
+                tsMaxAcPower = *Timestamp;
+                tsMaxTemperature = *Timestamp;
             }
         }
 
diff --git a/src/web/html/style.css b/src/web/html/style.css
index 2e83078f..cda2df23 100644
--- a/src/web/html/style.css
+++ b/src/web/html/style.css
@@ -687,7 +687,7 @@ div.hr {
     border-radius: 3px;
     display: inline-block;
     position: absolute;
-    transform: translate(-50%,-100%);
+    transform: translate(-50%,-50%);
     margin:0 auto;
     color: var(--fg2);
     min-width: 100px;
diff --git a/src/web/html/visualization.html b/src/web/html/visualization.html
index ab909ba1..d1f6ded6 100644
--- a/src/web/html/visualization.html
+++ b/src/web/html/visualization.html
@@ -55,11 +55,11 @@
                 ]);
             }
 
-            function numMid(val, unit, des, opt={class: "fs-6"}) {
+            function numMid(val, unit, des, opt={class: "row"}) {
                 return ml("div", {class: "col-6 col-sm-4 col-md-3 mb-2"}, [
-                    ml("div", {class: "row"},
+                    ml("div", opt,
                         ml("div", {class: "col"}, [
-                            ml("span", opt, String(Math.round(val * 100) / 100)),
+                            ml("span", {class: "fs-6"}, String(Math.round(val * 100) / 100)),
                             ml("span", {class: "fs-8 mx-1"}, unit)
                         ])
                     ),
@@ -147,7 +147,7 @@
                             ]),
                             ml("div", {class: "hr"}),
                             ml("div", {class: "row mt-2"},[
-                                numMid(obj.ch[0][11], "W", "{#MAX_AC_POWER}", {class: "fs-6 tooltip", data: maxAcPwrDate}),
+                                numMid(obj.ch[0][11], "W", "{#MAX_AC_POWER}", {class: "row tooltip", data: maxAcPwrDate}),
                                 numMid(obj.ch[0][8], "W", "{#DC_POWER}"),
                                 numMid(obj.ch[0][0], "V", "{#AC_VOLTAGE}"),
                                 numMid(obj.ch[0][1], "A", "{#AC_CURRENT}"),