Tesco MDWP450-SS22 - Page 7

Produced in China for Tesco Stores Ltd.
©Tesco 2021.
7
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Submersible Dirty Water Pump
MDWP450 - SS22 Instruction manual
Troubleshooting
FAULT POSSIBLE CAUSE REMEDY
Thepumpworksbutitdoes
notdeliverwater.
A.Thesuctiongridisclogged.
B.Theimpelleriscloggedor
damaged.
C.Therequiredheadis
higherthanthepump
characteristic.
A.Cleanthelter.
B.Removetheblockor
changetheimpeller.
Thepumpdoesn’tstartor
shutdownaccordingtothe
changeofwaterlevel.
Theoatswitchcan’tswing
freely.
Makesurethattheoat
switchswingsfreely,and
adjustthelengthofthecable
bythecablegroove.
Theowrateisinadequate. A.Thesuctiongridisclogged.
B.Theimpellerorthe
dischargingtubeisclogged.
Cleantheblock.
Thepumpstopswiththeoat
switchonafterworkingfora
short time.
Thepumpstopsautomatically
forthethermalprotector
turned on.
Checkwhetheristhe
temperature or the density
oftheliquidtoohighto
maketheelectromotor
overheating.
Thepumpdoesn’twork. A.Checktheoatswitch
swingsfreely.
B. Check the connection of
powerplugandsocketis
well.
Makesurethattheoat
switchswingsfreely,and
adjustthelengthofthecable
bythecablegroove.
Ifyouhaveanyproblem,pleasecontactthemanufacturer.
SYMBOLS
Handle
Top cover
Pump body
Outlet
connection
Outlet elbow
Base plate
Cable groove
Power cable
Float switch
WARNING/CAUTION!
WARNING-Readtheoperating
instructionstoreducetheriskofinjury.
Handle
Top cover
Pump body
Outlet
connection
Outlet elbow
Base plate
Cable groove
Power cable
Float switch
Warningagainstdangerousvoltage
ACCurrent
Max.immersion
Voltage
CEmarking
Scope of delivery
Thepumpshouldincludethefollowing
items:
1xSubmersiblePump
1xL-shapeElbowConnector
1xAdaptor
1xUnionNut
1xInstructionManual