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5

5.  TROUBLE SHOOTING

PROBLEM

POSSIBLE CAUSE

SOLUTION

No electricity

Plug not inserted correctly

T h e   p u m p 
d o e s   n o t 
deliver,  water 
and the motor 
does not start.

Automatic switch tripped

Overload protection tripped

Automatically  reset  after  the 
motor has cooled 

Current protection tripped

The  micro  circuit  breaker  resets 
automatically

Intake flange obstructed

Delivery pipe clogged

T h e   p u m p 
d o e s   n o t 
deliver  water 
but the motor 
is running 

Check valve jammed

Water level too low

Await resumption of supply

Check and correct

Check and correct error

Clean intake

Clean delivery pipe

Clean valve

Correct pump installation depth

Intake flange partially obstructed

Clogging in delivery pipes

T h e   p u m p 
delivers  low 
water

Incorrect rotation direction

Check  and  correct  rotation 
direction

Clear intake flange

Clean delivery pipe

Clogging in delivery pipes

T h e   p u m p 
s t o p s   a f t e r 
brief  periods 
of operation.
The  built  in 
o v e r l o a d 
s w i t c h   i s 
tripped

Liquid temperature too high

Foreign bodies prevent the pump 
from rotating freely

Internal defect

Clear dirt and debris

Clean delivery pipes

Wait for water to cool

Return  product  back  to  Dayliff 
retailer for repair

Summary of Contents for DWY370

Page 1: ...DWY Submersible Drainage Pumps Installation Operating Manual...

Page 2: ......

Page 3: ...SPECIFICATIONS 1 1 2 SYMBOLS WARNINGS 2 WIRING 3 3 INSTALLATION 4 3 TROUBLE SHOOTING 5 5 INDEX Davis Shirtliff Ltd 2023 Contents herein are not warranted MAINTENANCE SERVICE 6 6 TERMS OF WARRANTY 7 7...

Page 4: ...g and drainage of clean water containing minimal impurities for domestic and small scale water supply applications They are of closed impeller type all major components being manufactured from cast al...

Page 5: ...oided WARNING Never touch the water near the pump when it is running WARNING To prevent electric shock turn off the power before maintaining and cleaning the electric pump DWY370 Motor Model Current A...

Page 6: ...rior to installation check if the inner diameter of the well matches the minimum diameter of the pump For a new well remove debris and dirt using an air compressor or an old well pump then check if th...

Page 7: ...he wiring diagram indicated on the motor or the control box and should be wired by the corresponding colors To lift the pump out of water user must hold the handle with a rope When using the pump use...

Page 8: ...Await resumption of supply Check and correct Check and correct error Clean intake Clean delivery pipe Clean valve Correct pump installation depth Intake flange partially obstructed Clogging in deliver...

Page 9: ...is frequently triggered If the water pipeline is damaged Before repairing and servicing make sure that the pump is flushed with clean water The normal operation of the pump should be checked at least...

Page 10: ...of careless handling lack of maintenance faulty installation incompetence on the part of the equipment user Acts of God or any other cause beyond the Distributors reasonable control Also any repair o...

Page 11: ......

Page 12: ...INS530A 03 23...

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