GB
Page 19 / 96
NCE. Rev. 3 - Operating Instructions
10 SPARE PARTS
10.1 Spare-parts request
When ordering spare parts, please quote the data stamped on the name-plate (type,
date and serial number).
The spare parts request shall be sent to CALPEDA S.p.A. by phone, fax, e-mail.
11. Troubleshooting
WARNING:
Turn off the power supply before performing any operations.
Do not allow the pump or motor to run when dry even for a short
period
Strictly follow the user instructions and if necessary contact an authorised service
centre.
OFF
PROBLEM
(1)
The pump
is noisy and
vibrating.
(2)
The liquid is
circulating
noisily
(3)
The circulator
does not start
while being
powered
PROBABLE CAUSES
Suction
pressure
insufficient, cavitation.
Deposits or solids in the
internal passages of the
impeller.
Air in the system
Delivery too high
Unsuitable power supply
Incorrect
electrical
connections
Fuses burnt or faulty
Faulty pump
Overheating
Rotor blocked
Insufficient power supply
voltage.
LED SIGNAL
LED lit
LED lit
White LED
flashing
LED lit
LED off
Red LED
POSSIBLE SOLUTIONS
Increase the suction pressure.
Dismantle the motor and clean
the impeller.
See paragraph 7.4 “Bleed process”.
Reduce the rotation speed (see
paragraph 7.5 “Setting the pump
performance”).
Make sure the mains frequency
and voltage are suitable for the
electrical characteristics given on
the plate.
Correctly connect the power
supply cable to the terminal
block
Replace the fuses, check the
electric power.
Replace the pump
Cool the pump and make sure it
starts again. Make sure the
liquid temperature and the
surrounding temperature are
within the indicated limits.
If the release procedure did not
work, remove the motor and
clean the rotor.
Make sure the mains frequency
and voltage are suitable for the
electrical
characteristics
indicated on the plate.
Changes reserved.
Summary of Contents for NCE EA Series
Page 68: ...GR 68 96 NCE Rev 3 3 2 40 C 4 4 1 CALPEDA S p A 4 2 4 3 4 4 4 5 5 i i...
Page 72: ...GR 72 96 NCE Rev 3 8 CALPEDA SpA CALPEDA SpA 8 1 LED MAX LED 9 i OFF i OFF...
Page 73: ...GR 73 96 NCE Rev 3 10 10 1 CALPEDA S p A 11 OFF 1 2 3 LED LED LED LED LED LED LED 7 4 7 5...
Page 77: ...RU C 77 96 NCE Rev 3 3 2 40 4 4 1 Calpeda S p A 4 2 4 3 4 4 4 5 5 i...
Page 79: ...RU C 79 96 NCE Rev 3 II 5 1 2 N L 3 4 3 7 7 1 7 2 50 C 7 3 NCE EA 7 4 11 7 4 MAX OFF...
Page 81: ...RU C 81 96 NCE Rev 3 8 Calpeda S p A Calpeda S p A 8 1 MAX 9 i OFF OFF i...
Page 86: ...86 96 NCE Rev 3 4 2 4 3 4 4 4 5 5 5 1 6 6 1 12 1 6 2 3 2 6 3 6 4 12 2 1 12 2 2 12 2 3 12 2 4 i...
Page 89: ...89 96 NCE Rev 3 7 6 6 5 8 CALPEDA CALPEDA S P A 8 1 LED MAX LED 9 i i OFF OFF ON...
Page 90: ...90 96 NCE Rev 3 1 2 3 LED LED LED LED LED LED 7 4 7 5 10 10 1 CALPEDA S P A 11 OFF...
Page 94: ...94 96 NCE Rev 3 12 6 2 3 1 4 3 9 Fig 1 Fig 2 Fig 3 Fig 4 Fig 5...
