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10. Troubleshooting
Problem
Beating sounds
Water is escaping from refilling
combination
No or too small water flow rate
Refilling combination change not
into flow position
Refilling combination opens and
closes in short time intervals
(pump)
Honeywell GmbH
GB
Cause
Non return valve is faulty
Sealing elements are contaminated or worn
Refilling combination is not fitted in flow directionFit refilling combination in flow direction
Ball valves up- or downstream of refilling combi-
nation are not fully open
Drain cocks at the shut off ball valves up-
and downstream of the refilling combination
are not fully close
Pressure reducing valve is not set to the desired
outlet pressure
Check supply pressure with reaction pres-
sure
plant downstream leaky
Non return valve is contaminated or worn
7
Remedy
Call our Technical Customer Services
Call our Technical Customer Services
(note direction of arrow on housing)
Open ball valves entirely
Close drain cocks
Set outlet pressure
Call our Technical Customer Services
Check plant
Call our Technical Customer Services
MU1H-1548GE23 R1012
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