KSB Hyamat SVP Eco, Installation & Operating Manual

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9 Trouble-shooting
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Hyamat SVP Eco
9 Trouble-shooting
9.1 Trouble-shooting: pressure booster system
WARNING
Improper work to remedy faults
Risk of injury!
▷ For any work performed to remedy faults, observe the relevant information
given in this instruction manual and/or in the product literature provided by the
accessories manufacturer.
NOTE
Before performing any work on the pump's internal parts during the warranty
period please always consult the manufacturer. Our after-sales service will be at
your disposal. Non-compliance will lead to forfeiture of any and all rights to claims
for damages.
If problems occur that are not described in the following table, consultation with the
KSB service is required.
A Pressure booster system cuts out.
B Pressure fluctuations on the discharge side.
C Pressure booster system does not start up.
D Pump running but not delivering water
E Insufficient delivery of pressure booster system.
F Discharge-side pressure too low.
G Discharge-side pressure too high.
H Leakage at mechanical seal.
I Motor/pump overheated.
J Motor protection switch triggered.
K Pressure booster system does not stop.
L Excessive starting/stopping of pressure booster system.
M Motor overheated.
Table 35: Trouble-shooting
A B C D E F G H I J K L M Possible cause Remedy
2)
✘
-
✘
- - - - - - - - - - Dry-running protection device not
connected.
Connect or bridge.
✘ - ✘ - - - - - - - - - - Mains supply interrupted Check and remedy defect if
possible.
✘ - ✘ - - - - - - ✘ - - ✘ Phase failure Check individual phases and fuse.
✘ - ✘ - - - - - - ✘ - - ✘ Motor protection switch triggered
or set incorrectly / pump seized. Compare setting with the motor’s
rating plate data and set
accordingly. Press reset/fault
acknowledgement key.
✘ - ✘ - - - - - - - - - - Control current fuse tripped. Check control current fuse.
Replace if required.
- - ✘ - - - - - - - - - - Lack of water Check inlet pressure.
- - ✘ - - - ✘ - - - - - - Inlet pressure higher than specified
in the purchase order
Fit pressure reducer; contact the
manufacturer.
2) Release the pump set pressure and disconnect the pump set from the power supply before performing work on pressure-
retaining parts.