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10. Troubleshooting
Disturbance
Beating sounds
Water is escaping from refilling com-
bination
No or too little water flow rate
Refilling combination change not into
flow position
Refilling combination opens and clos-
es in short time intervals (pump)
Honeywell GmbH
GB
Cause
Non return valve is faulty
Sealing elements are contaminated
or worn
Ball valves up- or downstream of
refilling combination are not fully
open
Drain cocks at the shut off ball valves
up- and downstream of the refilling
combination are not fully close
Refilling combination is not fitted in
flow direction
Pressure reducing valve is not set to
the desired outlet pressure
Check supply pressure with reaction
pressure
plant downstream leaky
Non return valve is contaminated or
worn
7
Remedy
Call our Technical Customer Services
Call our Technical Customer Services
Open ball valves fully
Close drain cocks
Fit refilling combination in flow direc-
tion (note direction of arrow on hous-
ing)
Set outlet pressure (☞ chapter 7.1 )
Call our Technical Customer Services
Check plant
Call our Technical Customer Services
MU1H-1230GE23 R1008
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