English (GB)
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* Or contact the nearest Grundfos company or
service workshop.
11. Disposal
This product or parts of it must be disposed of in an
environmentally sound way:
1. Use the public or private waste collection service.
2. If this is not possible, contact the nearest
Grundfos company or service workshop.
Subject to alterations.
4.
The motor cuts out
during operation.
a)
Single-phase motors:
The thermal switch in the
motor has tripped due to
overheating.
The thermal switch will cut in automatically
when the motor has cooled sufficiently.
If the problem still persists, check these two
possible causes:
• Impeller stuck.
Clean the pump according to section
.
• Motor defective.
Repair or replace the motor. *
b)
Three-phase motors:
Motor-protective circuit
breaker has tripped.
Cut in the motor-protective circuit breaker.
If the problem still persists, check these two
possible causes:
• Impeller stuck.
Clean the pump according to section
.
• Motor defective.
Repair or replace the motor. *
Fault
Cause
Remedy
