Xylem HVS 1.1 - 3.4 - Manual (Page 36)

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9.5 Overheating of the heat sink
XXX
Error KK-Temp
The thermal sensor, mounted on the cooling body of the HYDROVAR SENSORLESS
indicates over temperature.
Possible causes: insufficient cooling, ambient temperature is too high or motor
overloaded.
9.6 Error Power measurement
XXX
Error Powermeas
No detected signal from the power measurement.
Possible causes: wrong connection on the control card
9.7 Additional internal processor Error messages:
ERROR 1 : EEPROM-ERROR
(corresponding data block malfunction)
ERROR 2 : Not used
ERROR 3 : Processor RAM error
ERROR 4 : Not used
ERROR 5 : Processor ROM error
ERROR 6 : Watchdog error
ERROR 7 : Timer error (quartz)
ERROR 8 : Programme error
These ERROR signals are acknowledged by disconnecting the power supply for
> 30 seconds.
If the error signal should appear again, contact customer service and provide a
detailed description of the error.