Xylem HVS 1.1 - 3.4 - Manual (Page 35)

35
9 Possible Error messages
You have to connect the programming unit to read the error message on the display.
After the cause has been remedied, the malfunction has to be reset by cutting off the
power supply for >30 seconds.
The last 3 error messages are saved in SUBMENU DIAGNOSIS
9.1 Overheating – Motor
XXX
Error-Mot-Temp
Possible causes: insufficient cooling, ambient temperature is too high or motor
overloaded.
9.2 Overvoltage
XXX
Error-Overvolt
Possible causes: Check mains supply, supply voltage too high, peak voltage owing to
switch heavy loads on the network, or RAMP 2 is to fast! Find the cause and take
countermeasures (e.g. network filter, RC-elements).
9.3 Undervoltage
XXX
Error-Undervolt
Possible cause: Check mains supply, faulty fuse or phase unsymmetry.
9.4 Overload
XXX
Error Overload
Possible causes: false data settings or the pump is working at a capacity significantly in
excess of its performance data.
Ramp 1 to fast
Max. frequency to high
Boost to low