Errorcode Error condition Suggested actionEr14 Speed error Stop pump immediately. Power OFF / ON may reset. Orseek supportEr15 Over current Stop pump immediately. Power OFF / ON may reset. Orseek supportEr16 Over voltage Stop pump immediately. Check supply. Power OFF/ONmay resetEr17 Under voltage Stop pump immediately. Check supply. Power OFF/ONmay resetEr20 Signal out of range Check analog control signal range. Trim signal as required.Or seek supportEr21 Over signal Reduce the analog control signalErr50 Communication error Attempt to reset by switching power OFF / ON. Or seeksupport23.3 Error Indication (Remote only)If an internal error occurs, depending on the error one of the following LED icons will bedisplayed.Status4-20mARunning RemotestopChangepumphead 4-20mA signal ErrorwarningMajor drive fault: returnpump to factory OnA. Motor stalled/wrongspeed: checkprocess/system andswitch on/off to resetOn FlashB. Voltage error: switchon/off to reset pump Flashm-qdos-en-02 109
