Sime MURELLE 70 BOX ErP Manual De Instrucciones página 60

4.5.3 WILO PARA ST 15/7 iPWM pump diagnose and remedy (fig. 22/a)
Colour of LED Possible fault
Turbine.operation
Flashing. Idle.operation
Red-Green
Under/overvoltage
Flashing
Excessive.temperature
red
Short.circuit
Steady "Permanent.lockout".
red
LED.Off
60
On.the.pump.there.is.a.signal.LED.which.indicates:
Colour LED Status
LED.off
Green Steady
Red/Green Flashing
Red Flashing
Red Steady
Cause
The.hydraulic.system.of.the.pump.is.
powered,.but.the.pump.has.no.mains.
voltage
Air.in.the.pump
The.motor.runs.with.difficulty..The.
number.of.revolutions.is.lower.com-
Overload
pared.to.normal
operation
Supply.voltage.too.low/high
Excessive.temperature.inside.the.
pump
Motor.current.too.high
Rotor.blocked
stop
Circuit.board.and/or.motor.failure
Electrical.power.failure
Stopped Faulty.LED
Faulty.circuit.board
LED
Diagnostics
Electrical.power.failure
Normal.operation
Fault.in.progress
Fault.in.progress
Permanent.lockout
Possible solution
-.Check.the.mains.voltage
-.Check.that.there.are.no.leaks.in.the.system
-.Check.the.mains.voltage
-.Check.the.system.flow.rate/pressure
-.Check.the.characteristics.of.the.water.in.the.
system;.remove.debris.from.the.system
-.Check.the.mains.voltage
-.Check.the.water.temperature.level.in.relation.to.
that.of.the.ambient.temperature
-.Check.the.mains.voltage
-.Check.the.environmental.operating.conditions
-.Check.the.mains.voltage
-.REPLACE.THE.PUMP
-.REPLACE.THE.PUMP
-.Check.the.connection.to.the.power.supply
-.Check.to.see.if.the.pump.can.work
-.REPLACE.THE.PUMP
Fig..22/a