DAB FEKAFOS, Инструкция по установке и обслуживанию, Страница: 36 / 84

ENGLISH
33
8. TROUBLESHOOTING
FAULTS CHECK
(POSSIBLE CAUSES)
REMEDY
1. Water is overflowing
from the tank and the
pump is not working.
(In this situation the alarm,
if installed, must intervene.
Otherwise check the alarm
system installation
instructions.)
A. Delivery pipe blocked.
B. The pump is not correctly connected to
the delivery pipe.
C. No return valve blocked.
D. Interception valve closed.
E. Pump characteristics are insufficient.
F. The pump intake grille is blocked.
G. The impeller is worn or blocked by
foreign bodies.
A. Remove the obstructions.
B. Check that the pump slide is
at its full limit (only for 280-
550 l tanks).
C. Clean the valve.
D. Open the valve.
F. Remove the obstructions.
G. Remove the obstructions.
2. The alarm, if installed,
intervenes, but the
system operates
regularly.
A. Check the exact position of the alarm
float.
A. Repeat the checking and
installation operations.