KSB Hya-Solo DSV Series User Manual

10 Trouble-shooting
35 of 44
Hya-Solo DSV
A B C D E F G H I J K L M Possible cause Remedy
1)
- - - - ✘ ✘ ✘ - ✘ ✘ ✘ - - Incorrect power supply; wrong
speed.
Check power supply.
- ✘ ✘ ✘ ✘ ✘ - - ✘ - - ✘ ✘ Shut-off valves (partially) closed Check, open as necessary.
- - - ✘ ✘ - - - ✘ - ✘ - ✘ Pump and/or piping are not
completely vented or primed.
Vent and/or prime.
- - - ✘ ✘ ✘ - - ✘ ✘ ✘ - ✘ Check valve in bypass line defective Replace.
- - - - - ✘ - - - - - - - Insufficient inflow Restore required inflow; connect
inlet tank.
- - - - - ✘ - - ✘ ✘ - - ✘ Pump runs sluggishly. Have pump repaired by a
specialist.
- - - - - - - ✘ - - - - - Defective mechanical seal Replace.
- - ✘ - - - - - ✘ - - - ✘ Incorrect pre-charge pressure of
accumulator
Set correct pre-charge pressure;
replace membrane.
✘ - ✘ ✘ - - - - - ✘ ✘ - - Inlet-side pressure switch defective
or set incorrectly.
Check/correct the value set at the
pressure switch.
- - - - - - - - ✘ - ✘ ✘ ✘ Defective time-lag relay or time set
incorrectly.
Check time-lag relay/correct
minimum operating time.
- - - - - - - - - - - ✘ - System leaking. Restore system integrity.
- - ✘ - - ✘ ✘ - - - ✘ ✘ - Discharge-side pressure switch
defective or set incorrectly.
Check/correct the value set at the
pressure switch.
✘ - - - - - - - - ✘ - - - Intermittent voltage fluctuations Press reset/fault acknowledgement
key.
- - - ✘ - - - - ✘ ✘ - - ✘ Defective check valve in the
pressure booster system
Check; fit new valve if required.
- - - ✘ ✘ ✘ - - ✘ - ✘ - - Pump running in the wrong
direction of rotation.
Interchange two phases of the
power cable.
- - - ✘ - ✘ - - - - ✘ ✘ - Inlet pressure lower than stated in
the purchase order
Connect inlet tank, contact KSB.
- ✘ - - - ✘ - - - ✘ ✘ - - Water extraction higher than
stated in the purchase order
Contact KSB.
10.2 Trouble-shooting: frequency inverter
WARNING
Improper work to remedy faults
Risk of injury!
▷ For any work performed to remedy faults, observe the relevant information
given in this operating manual and/or in the product literature provided by the
accessories manufacturer.
If problems occur that are not described in the following table, consultation with the
KSB customer service is required.
A
Mains fuse rating too small for the nominal mains current.
B
Motor does not start.
C
Motor running unevenly.
D
Max. speed not reached.
E
Motor running at maximum speed only.
F
Motor running at minimum speed only.
G
No/faulty 24V supply.
H
Wrong direction of rotation of the motor.
I
Fault message/protective tripping.

KSB Hya-Solo DSV Series Specifications

General

Brand	KSB
Model	Hya-Solo DSV Series
Category	Water Pump
Language	English