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Overload protection
The single-phase pumps CT2274, CT2274S, CT2274W, CT3274, CT3274S, CT3274W, CT4274, CT4274S, CT4274W and
CT3674 are equipped with thermal protection relay which will protect them from any possible overheating.
Chapter 6: Maintenance, troubleshooting
DANGER! Risk of electric shock! Prior to the performance of any maintenance work, disconnect
the pump from the electrical network; you can do it by pulling out the connection plug from
the socket.
Under normal circumstances, the pumps CT2274, CT2274S, CT2274W, CT3274, CT3274S, CT3274W, CT4274, CT4274S,
CT4274W and CT3674 do not require any maintenance. Occasionally it may be necessary to clean the hydraulic part or
replace the impeller. If the connection cable or the connector plug gets damaged, its immediate replacement to another cable
or plug of the same quality as the original may be done by the manufacturer, the customer service or a skilled technician!
The disassembly of the pump may be done only by specialized service repair shop. Following
the repair, pressure test must be done again, which is to be certified in writing!
DISPOSAL OF SUPERSEDED ELECTRIC AND ELECTRONIC DEVICES AS WASTE (To be used in the selective waste
collection system of the European Union and other countries)
This symbol on the device or the packaging indicates that the product shall not be managed as household
waste. Please dispose of it at the collecting place assigned for the collection of electrical and electronic devices.
By proper management of superseded products you can help prevent the environment and human health from
damage which would occur if you do not follow the proper way of waste disposal. Recycling of materials helps in the
preservation of the natural resources. For further information on the recycling of the product, please contact the competent
authorities, the local waste collecting service provider or the shop where this product was bought.
FAILURE
POSSIBLE CAUSE
SOLUTION
The electrical
pump does not
supply water,
the motor does
not rotate.
1) No supply voltage.
2) Wall plug is not properly
inserted.
3) Thermal protection disconnects
the motor from the mains.
4) Impeller has got stuck.
5) Motor or capacitor has got
damaged.
2) Check whether there is supply
voltage and insert the wall plug
properly!
3) Wait until the pump cools down and
the motor starts again.
4) Remove any possible clogs from the
impeller!
5) Contact the repair service shop!
The electrical
pump does not
supply water, the
motor rotates.
1) The exhaust grill has clogged.
2) The non-return valve has got
stuck.
1) Clean the grill!
2) Clean or replace the valve!
GB
