KSB Calio S, Installation & Operating Manual

Page: 41 / 52

7 Operation
41 of 52
Calio S
1157.8117/01-EN
7.3.3 Protective functions
Function
The electronic motor protection automatically reduces the pump power in the event
of overloading.
Available protective functions
▪ Protection against overheating
▪
Voltage monitoring
▪ Blocked pump rotor
Settings
None
7.3.4 Saving data
The operating data of the pump set are saved. Data storage will be maintained also
when the pump is switched off or disconnected from the power supply. When the
pump set is switched on again, it will be operated with the data that were active
before the pump set was last switched off.
7.3.5 Fault messages
Function
The pump set indicates errors by showing an error code on the display.
Fig. 16: Display of error code E8 (motor fault)
Example
Error E8 has occurred. The display flashes in 0.5-second intervals.
Once the error has been remedied, the display will revert to the set operating mode.
The settings of the pump set can then be changed again.
Table 20: Error codes, causes and response
Error code on the
display Cause Status Response
E01 Excessive temperature Alarm Pump stops.
E02 Overcurrent Alarm Pump stops.
E03 Internal fault Alarm Pump stops.
E04 Blocked rotor Alarm Pump stops.
E06 Voltage error Alarm Pump stops.
E08 Motor fault Alarm Pump stops.