Fault Summary And Checklist - Biral PrimAXRED Série Instructions D'installation Et D'entretien

9. Fault summary and checklist

Warning
Before starting to rectify faults, it is vital that the
pump is taken out of operation, and it must be re-
moved from the mains at all poles and safe guarded
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.
The list below should be followed step by step from top to bottom.
Fault LED 4-
Display
The pump is No dis-
not running play
No dis-
play
E1
E2
E3
The pump [W]
is making
noises
Noises in [W]
the system
Insufficient [W]
heat output
LED 3- Cause
Display
No dis- No voltage at the motor
play
The pump is faulty
Green The pump is in STOP
mode
Red Motor blocked
Supply voltage too low
Fault in the electronics
No dis- Air in the pump
play
The inflow pressure is
too low.
No dis- Air in the system
play
Pump output too strong
No dis- Pump output too weak
play
Solution
Check the protection switch, fuse and
supply voltage.
Replace pump.
Start pump.
Remove impurities in the system.
Check supply voltage. Replace pump.
Replace pump.
Let the pump run. The pump vents itself
automatically in time.
Increase the inflow pressure or check
gas volumes in the expansion vessel (if
available).
Vent the system with the pump switched
off.
Reduce discharge head / stage.
Increase discharge head / stage.
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