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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 removed from the mains at all poles and safe guarded from being
switched on again. This should only be carried out by specialist staff.
Warning
Accessible voltage!
Warning
Risk of scalding from escaping medium.
Warning
Risk of burning from hot surfaces.
The list below should be followed step by step from top to bottom.
Fault
The pump is
No
not running
display
No
display
0
25% 50% 75% 100%
25% 50% 75% 100%
E1
E2
H
H
III
II
II
E3
I
I
The pump
3 - 45
V
is making
noises
Noises in
3 - 45
the system
Werkstoff:
Werkstoff:
CompAX 32-x 180 RED
CompAX 32-x 180 RED
Insufficient
3 - 45
Einstellungen
Einstellungen
heat output
BA
BA
Biral AG
Biral AG
CH-3110 Münsingen
CH-3110 Münsingen
III
III
II
II
I
I
No
display
Green
No
display
V
V
Red
Red
III
Red
No
V
display
No
display
Dokumentstatus:
Massstab
1:4
Freigegeben
No
Format:
30.05.2022
A3
Erstelldatum
display
PDM_Nr:
Zeichnungsnummer
Zeichnungsnummer
IL00006045
IL00006045
Cause
No voltage at the motor
The pump is faulty
The pump is in STOP
mode
Motor blocked
Supply voltage too low
Fault in the electronics
Air in the pump
The inflow pressure is
too low.
Air in the system
Pump output too strong
Dokumentstatus:
Massstab
1:4
Freigegeben
Pump output too weak
Format:
30.05.2022
sta
sta
A3
Erstelldatum
17.05.2021
sta
17.05.2021
sta
PDM_Nr:
210053
210053
Änd. Ind.
Änd. Ind.
00
00
A
A
Rev.
Vers.
Rev.
Vers.
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 ex-
pansion vessel (if available).
Vent the system with the pump
switched off.
Reduce discharge head / stage.
Increase discharge head /
stage.
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