salmson FloSKID Installation Et Mise En Service page 18

English
10. Faults, causes and remedies
DANGER! SWITCH OFF the booster before any
maintenance or repair work!
Défauts
ONE OR TWO PUMPS FAIL TO PRIME
ONE PUMP FAILS TO RUN
NO DELIVERY PRESSURE
RANDOM OPERATING, STARTING FRE-
QUENCY TOO HIGH
OPERATING AUTOMATISM DEVICE
DEFECTIVE
DELIVERY CHECK VALVE NOT TIGHT
CONVERTER FAULT
THE BOOSTER DON'T STOP OR START
18
Causes
Air leak at suction.
Suction piping obstructed or valve on
suction manifold closed.
Thermal relay tripped.
Magnetic circuit breaker or fuses defec-
tive or blown.
Pump shaft blocked.
Winding fault.
Flow higher than booster capabilities.
One or two pumps are no more primed.
A pump is obstructed by particles.
Voltage of the motors too low.
Pressure transmitter defective.
Control box or cabinet defective.
Wires disconnected.
Transmitter defective.
Valve diaphragm or ring destroyed.
The pump converter displays a fault
indication.
The shut off valve is closed.
Remèdes
Check tightness of tall suction pipe con-
nections.
Check valve opening and clean the
piping if necessary.
The pump "fault" indicator on the control
box must be lit.
Check the setting of the thermal relay
and reset it.
Check that the motor phases are not in
short-circuit between them. Replace the
motor if necessary.
Reset the circuit breaker or replace the
fuses (check their ratings).
Switch off the electric supply of the con-
trol box and then check the shaft turns
freely, if it is blocked, dismantle the pump.
Disconnect the terminal board of the
terminal block and check the stator insu-
lation to earth. Replace the motor if
necessary.
Plan to replace the booster by a more
adequate one (do not forget to contact
us in any case).
See 10.1
Have the pump dismantled and cleaned.
Check the voltage on motor terminals.
Check the setting: transmitter not stable,
replace it if necessary.
See starting instruction of the control
box or cabinet.
Check all connections to the terminal
block of the control box.
Check the contacts, change the transmit-
ter concerned if necessary.
Change the valves.
See starting instruction of the pump.
Open the shut off valve (rep. 16).
POMPES SALMSON SAS 09/2013