Wilo TOP-Z Serie Instrucciones De Instalación Y Funcionamiento página 48

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Fault
The pump does not run
when the power is
switched on
44
Cause
Fuse defective/tripped.
Residual-current-oper-
ated protection switch has
tripped.
Undervoltage
Damage to the windings
Terminal box defective.
Condenser defective
(only for 1~).
Terminal box type
1/2/3/4/5
Cable jumper for speed
change-over not fitted/
fitted incorrectly.
Terminal box type 2/4
Speed selection plug is not
fitted.
Terminal box type 5/6/7
Remedy
Replace/switch on the fuse.
If the fuse trips again:
• Check the pump for electrical
defects.
• Check the mains cable to the
pump and check the electrical
connections.
Switch on the residual-current-
operated protection switch.
If the residual-current-operated
protection switch trips again:
• Check the pump for electrical
defects.
• Check the mains cable to the
pump and check the electrical
connections.
Check the voltage at the pump
(refer to the rating plate).
Contact customer service.
Contact customer service.
Exchange the condenser.
Fit the cable jumper correctly,
see fig. 4/7b
Fit the speed selection plug.
WILO SE 12/2013