PEDROLLO TISSEL-100 Instrucciones Originales De Uso página 38

PROBLEM The pump does not switch on
Message Cause
COM ERROR The communication between the
control card and the voltage card is
suspended
LOW LEVEL Signal of level not present with Entry
Signal of level activated
EXT OFF Put out of service through an external
signal with external Signal Entrance
active
None Breakdown of the pressure sensor
PROBLEM Pump always functioning, even if not required
Message Cause
None Leaks in the plant greater than 2 l/min Find the leaks and block them
None Breakdown or obstruction of the load
sensor
PROBLEM The pump stops too soon, even if there is a demand
Message Cause
None Fault of the flow sensor sensor
PROBLEM Performance of the pump below that rated
Message Cause
None Presence of air in the intake manifold
None Pump obstructed or damaged
38 | ENGLISH
Intervention
If the message persists the the electronic cards could be
damaged
Verify the presence of water in suction or the functioning
of the level signal
Put back into service via the external signal
Verify the reading on the display with a reference
manometer, re-programme or substitute the pressure
sensor
Intervention
Inspect and clean the load sensor
Intervention
Verify the functioning of the flow sensor
Intervention
Clean out the intake manifold
Inspect the pump and eliminate the problem