Wilo TOP-Z Instrucciones De Instalación Y Funcionamiento página 44

English
Fault
With the power
switched on, the pump
does not run
40
Cause
Incorrect direction of
rotation.
(only for 3~) terminal box type 6/7:
Signal lamp off
Fuse protection tripped /
defective.
Residual-current device
has tripped.
Undervoltage
Damage to the windings
Terminal box defective.
Capacitor defective (only
for 1~). Terminal box
type 1/2/3/4/5
Cable jumper for speed
change-over not fitted/
wrongly fitted. Terminal
box type 2/4
Speed selection plug is not
fitted.
Terminal box type 5/6/7
Remedies
Correct the electrical connections
in the terminal box:
Refer to the direction of rotation
arrow on the rating plate
Interchange two phases at the
mains supply terminals.
Exchange / switch on the fuse
protection.
If the fuse protection 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
device.
If the residual-current device 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.
Replace the capacitor.
Correctly install the cable jumper,
see Fig. 4/7b
Fit the speed selection plug.
WILO SE 11/2023