diff --git a/src_main/io_utils/piconnection.cpp b/src_main/io_utils/piconnection.cpp
index 63d24ef1..4fbbc383 100644
--- a/src_main/io_utils/piconnection.cpp
+++ b/src_main/io_utils/piconnection.cpp
@@ -343,7 +343,7 @@ PIIODevice * PIConnection::addDevice(const PIString & full_path, PIIODevice::Dev
 		__device_pool__->lock();
 		if (diags_.value(dev, 0) == 0) {
 			PIDiagnostics * d = new PIDiagnostics(false);
-			d->setInterval(10.);
+			d->setInterval(100.);
 			diags_[dev] = d;
 			CONNECTU(d, qualityChanged, this, diagQualityChanged);
 			__device_pool__->init();
@@ -476,7 +476,7 @@ PIPacketExtractor * PIConnection::addFilter(const PIString & name_, const PIStri
 		__device_pool__->lock();
 		if (diags_.value(e->extractor, 0) == 0) {
 			PIDiagnostics * d = new PIDiagnostics(false);
-			d->setInterval(10.);
+			d->setInterval(100.);
 			diags_[e->extractor] = d;
 			CONNECTU(d, qualityChanged, this, diagQualityChanged);
 		}
@@ -513,7 +513,7 @@ PIPacketExtractor * PIConnection::addFilter(PIPacketExtractor * filter, const PI
 		__device_pool__->lock();
 		if (diags_.value(e->extractor, 0) == 0) {
 			PIDiagnostics * d = new PIDiagnostics(false);
-			d->setInterval(10.);
+			d->setInterval(100.);
 			diags_[e->extractor] = d;
 			CONNECTU(d, qualityChanged, this, diagQualityChanged);
 		}
@@ -945,7 +945,7 @@ PIConnection::DevicePool::~DevicePool() {
 
 void PIConnection::DevicePool::init() {
 	if (!isRunning())
-		start(10);
+		start(100);
 }
 
 
diff --git a/src_main/io_utils/pidiagnostics.cpp b/src_main/io_utils/pidiagnostics.cpp
index aeee4266..cc259efa 100644
--- a/src_main/io_utils/pidiagnostics.cpp
+++ b/src_main/io_utils/pidiagnostics.cpp
@@ -61,11 +61,11 @@ PIDiagnostics::State::State() {
 PIDiagnostics::PIDiagnostics(bool start_): PITimer(/*PITimer::Pool*/) {
 	disconn_ = 0.;
 	//piCout << "PIDiagnostics construct";
-	setInterval(500);
+	setInterval(100);
 	reset();
 	setDisconnectTimeout(3.);
 	changeDisconnectTimeout(3.);
-	if (start_) PITimer::start(500);
+	if (start_) PITimer::start(100);
 	//piCout << "PIDiagnostics construct done";
 }