KSB PumpDrive - 11.3 Alerts

Warning Possible causes Remedy
FI carrier frequency
(3-11-1-1) set too high Set carrier frequency to permissible range
(⇨ Section 4.5 Page 15) .
Case Temperatur Ambient temperature of PumpDrive > 40 °C Impermissible operating range; mind power
derating (⇨ Section 4.5 Page 15) .
Internal/external fans do not work (1-4-1-3) > 50 °C → External fans must run.
Heat sink/cooling fins dirty Clean heat sink/cooling fins.
FI carrier frequency (3-11-1-1) set too high Set carrier frequency to permissible range
(⇨ Section 4.5 Page 15) .
Dev not active Main pump failure Check main pump.
KSB local bus interrupted Check KSB local bus.
Sleep Mode Stand-by mode active in manual mode Press the Off key and then the Man key for
manual mode.
Q estimation The pump is operated outside the limits of
the set H/Q data points or P/Q data points.
Impermissible operating range; operate the
pump within the permissible range.
The H/Q data points or P/Q data points have
been entered incorrectly.
Check the H/Q data points / P/Q data points
(⇨ Section 7.2.2.3.1 Page 80) .
11.3 Alerts
Table 114: Overview of alerts
Message Description PumpDrive
response
Short circuit Short-circuit monitoring Stop
Mot therm Probe PTC has tripped Stop
Low 24 V Fault with internal 24 V supply Stop
Drive over temp Drive overtemperature Stop
Under Voltage Impermissible undervoltage (mains) Stop
High Voltage Impermissible overvoltage (mains) Stop
Over Current Impermissible overcurrent (⇨ Section 7.2.3
Page 82)
Breakover Curre Internal overcurrent (for example, if the ramp
is too steep)
Stop
Stop and Trip A fault resulting in stop & trip has occurred. Stop & trip
Int Temp incorr Control electronics overtemperature Stop
Missing BinF No binary file Service required
Dry Run Dry running of pump (⇨ Section 7.2.3
Page 82)
Hydraulic block Impeller blocked (⇨ Section 7.2.3
Page 82)
CAN Init Failed KSB local bus initialisation error Service required
Duplicate Node Two nodes with the same ID on the KSB local
bus
Service required
Upload failed Error when reading the binary files Service required
Download failed Write error when downloading a parameter
set
Service required
Too many BinF Insufficient storage capacity Service required
Download failed Error when writing data Service required
Table 115: Alerts
Alert Possible causes
Remedy
37)38)
Short circuit Motor short-circuited (defective motor
winding)
Check motor windings; perform dielectric test.
Check motor for blockage
Power supply connected incorrectly Check the cabling; connect the mains power
supply to L1, L2, L3, PE.
Parallel operation of motors Impermissible operating range
37)
Disconnect PumpDrive from the power supply to rectify faults on current-carrying components. Observe the safety
information!
38)
Restore the PumpDrive default settings.
11 Trouble-shooting
134 of 162
PumpDrive