emmeti SHARK E - Page 35

3. Accensione
35
GBGB
6. MAINTENANCE/FAULTS
Fault Cause Remedy
Pump is not running
although the power
supply is switched on.
Electrical fuse defective. Check fuses.
Pump has no voltage. Restore power after
interruption.
Pump is making
noises.
Cavitation due to insuffi-
cient suction pressure.
Increase the system
suction pressure within
the permissible range.
Check the delivery-head
setting and set it to a
lower height if necessary.
Building does not
get warm.
Thermal output of the
heating surfaces is
too low.
Increase setpoint
(see 5.3).