Troubleshooting - Waterco W9918 Guide D'installation Et D'utilisation

TROUBLE SHOOTING
SYMPTOMS
1. PUMP WILL
NOT PRIME
Closed valves or blocked lines
2. MOTOR WILL
NOT RUN
3. LOW FLOW
Dirty Skimmer and Pump strainer
4. MOTOR RUNS
HOT
5. NOISY PUMP
OPERATION
6. MOTOR OVER Motor not connected properly
LOAD CUTS
OUT
Over load due to binding in pump
Warning: If the Waterco Limited pump is within the stated warranty period and you experience faults
always contact your supplier or the nearest Waterco Limited branch for advice. Failure to do this may void
warranty. Refer to warranty documentation supplied with pump.
All electrical work is to be carried out by a Qualified Electrician; under no circumstances should you
attempt repairs on the electrical components of Waterco Limited pumps unless you are suitably qualified.
PROBABLE CAUSE
Suction air leak
No water in the pump
No power to motor
Pump jammed
Dirty filter
Suction air leak
Closed valve or blocked line
Low or incorrect voltage
Installed in direct sunlight
Poor ventilation
Bad bearing
Air leak in suction
Suction blockage
Foreign matter in impeller
Cavitations
Low incoming voltage
or wrong size impeller
ACTION
Make sure water level is correct through suction points.
Ensure baskets and strainers are free of debris. Tighten
all fittings / unions on the suction side of the pump,
remove and replace mechanical seal.
Make sure hair and lint pot is full.
Open all valves in system, clean skimmer and pump
basket, check pump impeller of blockage.
Check that all electrical switches are on. Ensure the
circuit breakers are properly set. Check if timer is set
properly. Check motor wiring at terminals.
With power switched off turn pump shaft (should spn
freely). If not contact electrician or nearest Waterco
Limited branch for service.
Backwash or clean cartridge.
Clean skimmer and pump strainer.
See 1.
See 1.
Supply to be corrected by Electrician.
Motors run hot to touch and is normal. Thermal overload
protector will function to turn them off if there is an
overload or high temperature problem.
The pump motor cooling fan must have a minimum
clearance of 150mm.
Shield from the weather.
Do not tightly cover or enclose motor.
Have electrian replace.
See 1.
Locate and clear blockage.
Dismantle pump and remove foreign matter and debris
from around impeller.
Improve suction, reduce suction lift, reduce number of
fittings, increase pipe size, increase discharge pressure
and reduce flow by throttling discharge valve.
Have electrician check wiring.
Have electrician check voltage, ensure pump is not
running on an extension cord. Report low supply to
authorities.
Contact Waterco Limited for service.
Waterco Pumps
I pg 07