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KIETIS S:
7)
Pressure unit does not stop.
8)
The motor operates but no flow is
produced.
9)
Insufficient pressure.
10)
The pressure unit continuously stop and
start.
11)
The pressure unit does not start.
7 8 9 10 11 POSSIBLE PROBLEM
X X
Gate valve closed
X
X
Pressure switch badly adjusted
X
X
Higher consumption of water than scheduled Change for larger capacity unit
X Stopped by water level detector
X
Wrong air pressure in vessel
X
Excess air in vessel
X Pump blocked
X X
Check valve mounted wrong way round
X
Total head height higher than spec
X X X
Air leak in suction hose
X
Wrong voltage
X No power
X
X
Leakage in discharge hose
X
X Pressure switch broken
X
Defective check valve
SOLUTIONS
Open
Adjust properly
Wait till level rises
Set to correct pressure
Set to correct pressure
Contact service engineer
Invert
Check geometric height plus loss of head
Carefully seal joints and connectors
Check grid voltage is as per spec. plate
Check fuses
Repair
Change
Change
11
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