Biral ModulA RED Serie Instrucciones De Instalación Y Funcionamiento página 26

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Fault
Biral impeller not lighting up
Biral impeller turning on red
(warning, pump turning)
Biral impeller flashing red
(alarm, pump not turning)
Pump making noises
Radiators not heating up
english
8. Fault summary
Warning
Before starting to rectify faults, it is vital that
the pump is taken out of operation, and it must
be removed from the mains at all poles and
safeguarded from being switched on again.
This should only be carried out by specialist staff.
Accessible voltage!
Risk of scalding from escaping medium
Risk of burning from hot surfaces
Cause
No power supply
Sensor fault (*)
Communication fault (*)
Internal fault (*)
Forced discharge (*)
Over-voltage (*)
Under-voltage (*)
Dry running (*)
Pump blocked (*)
Air in the system
Cavitation
(insufficient input pressure)
Pump too strong
Pump too weak
(*): Cause of fault according to Biral Remote
Rectification
Check mains switch
and fuses
Check mains plug
and cable
Plug in sensor cab correctly:
See para. 4.3
Replace sensor:
See para. 10
Replace frequency
Check non-return valve:
Defective valve? Correct position?
Check power supply
Fill system and change pump
if necessary
Dismantle pump,
Remove foreign bodies
Change pump, if required
Ventilate system several times
with the pump turned off
Increase system pressure/
Reduce temperature,
See para. 11
Set smaller control char. curve
See para. 7.2
Switch on power limit
Further limit flow volume
With power limit (*)
Set larger control char. Curve
See para. 7.2
Install stronger pumps