SQFlex Service Instructions
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Electrical problems
Note: Always be aware of the danger of high voltage. Do not directly touch the wires.
Fault Possible cause Remedy
1. Pump does not operate and pro-
peller do not turn or turns slowly
even in high winds.
• The wind speed is too slow.
• The IO 102 ON/OFF switch is
set to OFF.
• Pump defective or pump cable
short circuit.
• IO 102 is defective.
• Wait for the wind speed to
increase.
• Set the IO 102 ON/OFF switch
to ON.
• Set IO 102 ON/OFF switch to
OFF. Disconnect the pump
from IO 102. Set ON/OFF
switch to ON. If the propeller
starts to turn, either the pump
or the pump cable is defective.
Set IO 102 ON/OFF switch to
OFF. Replace the defective
part and reconnect to IO 102.
Set ON/OFF switch to ON.
• Set IO 102 ON/OFF switch to
ON. Disconnect the three wires
from the wind turbine one at
the time at the IO 102.
if the proppeler starts to turn
the IO 102 is defective.
Replace the IO 102.
2. Pump does not operate and pro-
peller turns fast.
• Wires between IO 102 and
pump may be disconnected.
• Pump defective.
• Set IO 102 ON/OFF switch to
OFF. Reconnect the wires.
Set IO 102 ON/OFF switch to
ON.
• Set IO 102 ON/OFF switch to
OFF. Replace the pump.
Set IO 102 ON/OFF switch to
ON.
3. Pump does not operate. Propeller
turns fast and are not alowing
down when IO 102 ON/OFF
switch is set to OFF.
• One or more wires between
wind turbine and IO 102 may
be disconnected.
• Wind turbine defective.
• IO 102 defective.
• Set IO 102 ON/OFF switch to
OFF. Reconnect the wires.
Set IO 102 ON/OFF switch to
ON.
• Set IO 102 ON/OFF switch to
OFF. Replace wind turbine.
Set IO 102 ON/OFF switch to
ON.
• Try to disconnect the three
wires from the wind turbine in
the IO 102 and short circute
them. If the propeller slows
down or stops, the IO 102 is
defective.
Replace the IO 102.
sqflex_SI_US_WG.book Page 21 Thursday, October 1, 2009 3:27 PM