Xylem HYDROVAR Smart - Manual (Page 41)

41
8 Error Signals
The active Error messages are every time shown in the selected language, but in the Error
memory (main menu) the last 5 Error are stored only in English language!
8.1 Low Water – Lack of water
LACK OF WATER :
E R R O R
Remedy:
Check suction pressure or tank level!
If suction pressure or tank level is normal the unit restarts itself. If there is no suction
pressure switch (e.g. circulating systems), bridge terminals X1/6 and X1/7.
8.2 Conveyor Control – Val. Range contr.
VAL.RANGE CONTR.
E R R O R
The set minimum pressure threshold for
monitoring pump delivery (delivery
threshold) was not achieved within the set delay time.
At error reset ON the system is only shut down after 5 attempts of starting. If the delivery
threshold is set at <0, this function is deactivated.
After the cause has been remedied, the malfunction can be reset by cutting off the power
supply or pressing all three buttons (П,Р
and . ¾) together for about 5 seconds.
8.3 Overheating – Motor
MOTOR OVERHEAT
E R R O R
Possible causes: insufficient cooling
Ambient temperature is too high, motor
overloaded. After the cause has been remedied, the malfunction can be reset by cutting
off the power supply or pressing all three buttons (П,Р and ¾) together for about 5
seconds.
8.4 Inverter Error
INVERTER - ERROR
INVERTER- ERROR
Possible cause: The inverter error relay
indicates and failure (contact open), or there
is an installation error (terminals X9/3 and X9/4)
After the cause has been remedied, the malfunction can be reset by cutting off the power
supply or pressing all three buttons (П,Р and ¾ ) together for about 5 seconds.
8.5 Pressure Sensor Error I < 4 mA – act. value sensor
ACT. VALUE SENSOR
E R R O R
Possible cause: Defective pressure
transmitter or broken cable (damaged cable)
Check the pressure transmitter!
After the cause has been remedied, the malfunction can be reset by cutting off the power
supply or pressing all three buttons (П,Р
and ¾) together for about 5 seconds.