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Installation and operating instructions Wilo-TOP-S/-SD/-RL/-I
43
English
With the power
switched on, the pump
does not run.
Fuse protection tripped /
defective.
Exchange / switch on the fuse pro-
tection.
If the fuse protection trips again:
• Check the pump for electrical
defects.
• Check the mains cable to the
pump and check the electrical
connections.
Residual-current-oper-
ated protection switch has
tripped.
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.
Undervoltage
Check the voltage at the pump
(refer to the rating plate).
Damage to the windings
Contact customer service.
Terminal box defective.
Contact customer service.
Condenser defective
(only for 1~). Terminal box
type 1/2/3/4/5
Exchange the condenser.
Cable jumper for speed
change-over not fitted/
wrongly fitted. Terminal
box type 2/4
Fit the cable jumper correctly,
see fig. 4.7b
Speed selection plug is not
fitted.
Terminal box type 5/6/7
Fit the speed selection plug.
Fault
Cause
Remedy
Summary of Contents for TOP-I
Page 2: ...Fig 1 Fig 2 Fig 3 ...