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GB
12
MU0H-1382 GE23R0819
10 Spare Parts
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J
The motor protection switch is activated.
K
Compact booster unit does not turn off
L
Compact booster unit is turning on and off too often
M
Overheating of the motor/pump.
A B C D E F G H I
J K L M Cause
Remedy
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- Protection against dry running is
not connected
Connect or bypass
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- The main power supply is
interrupted
Check or eliminate the defect
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- Control fuse has triggered
Check and replace if necessary
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Shut-off valves are only opened
partially or not at all
Check and open if necessary
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Pump or pipeline is not
completely ventilated or filled up
Venting or filling up
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Pump is sluggish
Pump has to be repaired by a
professional
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- Mechanical seal is defect
Replace mechanical seal
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inlet pressure in pressure vessel
is not correct
Set inlet pressure, replace
pressure bubble
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- System is leaky
Seal the system
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check valve in compact booster
unit is defect
Check and replace if necessary
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- Form is lower than indicated in
the order data
Connect the tank
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- Water withdrawal is bigger than
specified in the order data.
Query is necessary