14
WILO SE 08/2015
Engl
is
h
Faults
9 Faults
Disposal
Avoid damage to the
environment
• Do not dispose of the pump in household waste.
• Recycle the pump.
• If in doubt, contact local authorities and specialist waste
management companies.
Faults, displays
Cause
Remedy
Time not set.
Set clock.
Power failure longer than 3 hours.
Set clock, create secure power supply
if necessary.
Electronic fault, module defective.
Have the motor head replaced by a
specialist
Page 10.
Temperature sensor defective
Have the motor head replaced by a
specialist
Page 10.
Temperature control setting not
DVGW-compliant.
Set temperature above 55 °C.
Switch-off time not DVGW-com-
pliant.
Set switch-off time to less than 8
hours.
No display.
Power supply interrupted.
Restore power supply.
Additional dis-
play symbols are
shown.
Frequency superimposed when
operating in an industrial environ-
ment or near radio transmitters.
This fault does not affect the pump
function.
Pump does not
start.
Power supply interrupted, short cir-
cuit or fuses defective.
Have the power supply checked by a
qualified electrician.
Timer function has switched off
automatically.
Check the timer function setting
Page 12.
Motor is blocked, e.g. by deposits
from the water circuit.
Have a specialist remove the pump
Page 10.
The movement of the impeller is
restored by turning it and flushing out
the dirt.
Pump making
noises.
Motor scraping, e.g. through
deposits from the water circuit.
Running dry, too little water.
Check the stop valves; they must be
completely open.
00:00
E 36
E 38
AA 1
AA 2
Note:
If you cannot remedy the fault, contact the trade.
Note:
For further information on recycling, see
www.wilo-recycling.com.