Troubleshooting - PYD Electrobombas PH Serie Manual De Instalación Y Mantenimiento

OPERATING AND MAINTENANCE MANUAL
ELECTRICAL WATER PUMP
NEVER CARRY OUT ANY WORK ON THE PUMP WITHOUT FIRST DISCONNECTING IT FROM THE
MAINS. FAILURE TO OBSERVE THE ABOVE PRECAUTIONS MAY RESULT IN DAMAGE TO THE PUMP
AND INVALIDATE THE WARRANTY.

6. TROUBLESHOOTING

FAILURES
Performance of the thermal protector
Damaged heat shield
Faulty cable connection
Failure to start
Disconnected cord
Defective engine
Clogged impeller
Voltage too low
Problem in the non-return valve
Blocked foot valve filter unit
The engine opera-
tes without
Suction air in the suction pipe
pumping water
Air introduced into the pump from the mechani-
cal seal.
Motor temperature Supply voltage too low or too high
sensor operates too
frequently
Impeller is in contact with another part. Impeller
blocked
Capacitor open circuit short circuit
Pump starts even if Water leaks in the pipes or in the pump
no water is used
Water leaks in the mechanical settlement
Aspiration lift has reached its limit
Filtering device or partially blocked foot valve.
Insufficient flow
Impeller blocked
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CAUSES
9
SOLUTION
- If the engine is overheated, it will
not run.
Then wait for it to cool down (20-30
minutes).
- Replace a new one
- Insert the plug securely
- Reconnect the cable
- Replace the new cable
- Repair or replace the engine
- Clean the impeller
- Consult with the electricity com-
pany
- Remove the corner of the non-re-
turn valve, then clean the valve seat
and orifice.
- Clean both
- After checking the pipe joints,
tighten them perfectly.
- Make sure that the foot valve is
submerged for at least 50 cm.
- Replace the new mechanical seal
- Consult with the electricity com-
pany
-Check and repair defects
-Clean impeller
- Repairing the condenser
Repair of pipes, pump and tap parts,
etc.
Replace the mechanical seal
Check suction lift
Check the valve or filter unit and
check the entire suction line if
necessary.
Dismantle the pump and carefully
clean the pump casing and impeller.