8 Trouble-shooting
80 of 98
UPA / UPA S
3400.86/17-EN
A B C D E
F G H Possible cause
Remedy
26)
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- Speed is too low.
Check electrical voltage and increase if
necessary.
Contact KSB.
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- Wrong fuse size
Fit correct fuse size.
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Defective overcurrent relay
Check and replace if necessary.
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- Motor winding not suitable for operating
voltage available
Replace the pump set.
Contact KSB.