diff --git a/slsDetectorSoftware/slsDetector/slsDetector.cpp b/slsDetectorSoftware/slsDetector/slsDetector.cpp
index 3cda23298..3d82db206 100644
--- a/slsDetectorSoftware/slsDetector/slsDetector.cpp
+++ b/slsDetectorSoftware/slsDetector/slsDetector.cpp
@@ -81,6 +81,9 @@ int slsDetector::checkDetectorVersionCompatibility() {
     case GOTTHARD:
         arg = APIGOTTHARD;
         break;
+    case CHIPTESTBOARD:
+        arg = APICTB;
+        break;
     default:
         FILE_LOG(logERROR) << "Check version compatibility is not implemented for this detector";
         setErrorMask((getErrorMask()) | (VERSION_COMPATIBILITY));
diff --git a/slsDetectorSoftware/slsDetector/slsDetectorCommand.cpp b/slsDetectorSoftware/slsDetector/slsDetectorCommand.cpp
index 926f9fa57..4117bcf19 100644
--- a/slsDetectorSoftware/slsDetector/slsDetectorCommand.cpp
+++ b/slsDetectorSoftware/slsDetector/slsDetectorCommand.cpp
@@ -4063,7 +4063,7 @@ std::string slsDetectorCommand::cmdADC(int narg, char *args[], int action, int d
 	if (sscanf(args[0],"adc:%d",&idac)==1) {
 		//  printf("chiptestboard!\n");
 		adc=(dacIndex)(idac+1000);
-        if (idac < SLOW_ADC0 || idac > SLOW_ADC_TEMP)
+        if (idac < (SLOW_ADC0 - 1000) || idac > (SLOW_ADC_TEMP - 1000))
             return (std::string ("cannot set adc, must be between ") + std::to_string(SLOW_ADC0 - 1000) +
                     std::string (" and ") + std::to_string(SLOW_ADC_TEMP - 1000));
 	} else if (cmd=="temp_adc")