diff --git a/src/app/components/fixedvar-results/fixedvar-results.component.ts b/src/app/components/fixedvar-results/fixedvar-results.component.ts
index 68e5c7f4bc15f8e51d34d52e6fbde75d5174daf9..7908509065b6b4c505c8c8b5c5624cb6adc5bf01 100644
--- a/src/app/components/fixedvar-results/fixedvar-results.component.ts
+++ b/src/app/components/fixedvar-results/fixedvar-results.component.ts
@@ -95,9 +95,9 @@ export class FixedVarResultsComponent implements DoCheck {
 
         this._doUpdate = false;
         if (this._fixedResults != undefined)
-            this._doUpdate = this._fixedResults.hasResults;
+            this._doUpdate = this._fixedResults.hasResults || this._fixedResults.hasLog;
         if (this._varResults != undefined)
-            this._doUpdate = this._doUpdate || this._varResults.hasResults;
+            this._doUpdate = this._doUpdate || this._varResults.hasResults || this._varResults.hasLog;
     }
 
     public ngDoCheck() {
@@ -105,12 +105,22 @@ export class FixedVarResultsComponent implements DoCheck {
             this._doUpdate = !this.updateResults();
     }
 
+    private mergeLog(result: Result, log: cLog) {
+        if (result && result.hasLog) {
+            if (result.hasGlobalLog)
+                log.addLog(result.globalLog);
+            else
+                log.addLog(result.log);
+        }
+    }
+
     private get mergedGlobalLogs(): cLog {
         const res = new cLog();
-        if (this._fixedResults && this._fixedResults.log)
-            res.addLog(this._fixedResults.log);
-        if (this._varResults && this._varResults.log)
-            res.addLog(this._varResults.log);
+        if (this._fixedResults)
+            this.mergeLog(this._fixedResults.result, res);
+
+        if (this._varResults)
+            this.mergeLog(this._varResults.result, res);
         return res;
     }
 
diff --git a/src/app/results/param-calc-results.ts b/src/app/results/param-calc-results.ts
index 2e9802f803486039157de38b5307dbab42aa6215..4a24add19472a5ec071a2689a69a3b8b8158aa1f 100644
--- a/src/app/results/param-calc-results.ts
+++ b/src/app/results/param-calc-results.ts
@@ -44,6 +44,12 @@ export abstract class CalculatedParamResults extends CalculatorResults {
         return this._result.ok;
     }
 
+    public get hasLog(): boolean {
+        if (this._result == undefined)
+            return false;
+        return this._result.hasLog;
+    }
+
     public get log(): cLog {
         return this._result && this._result.log;  // return x == undefined ? undefined : x.y
     }
diff --git a/src/locale/error_messages.en.json b/src/locale/error_messages.en.json
index 2711bac574daabb623a51b46ae81540d8ab5fa2b..86f94a5086460e25136ae11c518ef214b265022b 100644
--- a/src/locale/error_messages.en.json
+++ b/src/locale/error_messages.en.json
@@ -5,6 +5,7 @@
     "ERROR_DICHO_NULL_STEP": "Dichotomy (initial interval search): invalid null step",
     "ERROR_DICHO_INVALID_STEP_GROWTH": "Dichotomy (initial interval search): invalid null step growth",
     "ERROR_DICHO_FUNCTION_VARIATION": "unable to determinate function direction of variation",
+    "ERROR_DICHO_CONVERGE": "Dichotomy could not converge",
     "ERROR_NEWTON_DERIVEE_NULLE": "Null function derivative in Newton computation",
     "ERROR_PARAMDOMAIN_INTERVAL_BOUNDS": "invalid %minValue%/%maxValue% min/max boundaries for 'interval' parameter definition domain",
     "ERROR_PARAMDEF_CALC_UNDEFINED": "calculability of '%symbol%' parameter is undefined",
@@ -81,4 +82,4 @@
     "INFO_PABDIM_TITRE": "Pool pass: dimensions",
     "INFO_PABPUISS_TITRE": "Pool pass: dissipated power",
     "INFO_OUVRAGEPARAL_TITRE": "Parallel structures"
-}
+}
\ No newline at end of file
diff --git a/src/locale/error_messages.fr.json b/src/locale/error_messages.fr.json
index d08817f011651620fee26500581836e228a4a4cf..f336ee9cf6bd52b02202c52ad785d959789f5b84 100644
--- a/src/locale/error_messages.fr.json
+++ b/src/locale/error_messages.fr.json
@@ -5,6 +5,7 @@
     "ERROR_DICHO_NULL_STEP": "Dichotomie : le pas pour la recherche de l'intervalle de départ ne devrait pas être nul",
     "ERROR_DICHO_INVALID_STEP_GROWTH": "Dichotomie : l'augmentation du pas pour la recherche de l'intervalle de départ est incorrecte (=0)",
     "ERROR_DICHO_FUNCTION_VARIATION": "Dichotomie : impossible de determiner le sens de  variation de la fonction",
+    "ERROR_DICHO_CONVERGE": "La dichotomie n'a pas pu converger",
     "ERROR_NEWTON_DERIVEE_NULLE": "Dérivée nulle dans un calcul par la méthode de Newton",
     "ERROR_PARAMDOMAIN_INTERVAL_BOUNDS": "Les bornes (%minValue%/%maxValue%) de l'intervalle sont incorrectes",
     "ERROR_PARAMDEF_CALC_UNDEFINED": "La calculabilité du paramètre %symbol% n'est pas définie",