AL-KO 112 461, Translation Of The Original Operating Instructions

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en
Troubleshooting
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TROUBLESHOOTING
CAUTION!
Before you attempt to remedy any malfunction of your domestic water system, pull the plug!
Malfunction LED Displays Cause Remedy
LED "Power" not ligh-
ted
LED "On" not lighted
Mains voltage not available.
Fault in the electronics.
Check power supply, if ne-
cessary consult electrician.
Inform customer service.
LED "Power" lighted,
LED "On" not lighted
Pressure hose is blocked.
Pumping height more than
15 m.
Water lacking on the suc-
tion side.
Impeller blocked.
Thermal switch has swit-
ched off.
Check pressure hose.
Lower pumping height.
Check suction side connec-
tions and water level.
Clean the pump.
Press "RESET" (28) button.
Pump does not
run.
LED "Power" lighted,
LED "On" lighted
Fault in the electronics. Inform customer service.
Suction hose is blocked. DANGER! Risk of injury
due to hot water!
Clear blockage in suction
hose.
System runs
but does not
pump out li-
quid.
Pressure line is blocked. DANGER! Risk of injury
due to hot water!
Clear blockage in pressure
line.
Suction hose is blocked. Clean the suction area
Clean the filter (HWA 1300
F)
Suction height is too great. Lower suction height.
Hose diameter too small. Use a larger pressure hose.
Pumping capa-
city too low.
Pumping height too great Lower pumping height.
Pump starts
and then swit-
ches off.
Leakage in the pressure
hoses.
Non-return valve not tight.
Check pressure hoses.
Clean the non-return valve.
Inform customer service.
Pump has swit-
ched off.
LED "Failure" lighted. Lack of water. Fill pump and suction hose
and perform initial opera-
tion.
Pump fails to
switch off auto-
matically.
Water shortage inlet side.
Pump sucks in air.
Unplug the pump, allow to
cool down if necessary.