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Preface
These service instructions describe fault finding of pumps with Grundfos motors, type MGE model F (hereafter called
MGE-F).
The service instructions are aimed at specially trained staff who are familiar with the service of electrotechnical products.
The use of these service instructions presupposes knowledge of these documents:
•
Installation and operating instructions for MGE-F 11-22 kW, frame sizes 160 and 180.
•
Installation and operating instructions for the pump system incorporating the motor.
If the fault cannot be remedied by means of these instructions, or you require spare parts or technical assistance,
contact your nearest Grundfos partner or company. (See the back of these service instructions).
Please state these pieces of information when you contact Grundfos to get help for fault finding:
•
Nameplate data of the pump the MGE-F is fitted to
•
Nameplate data of the MGE-F
•
Status for indicator lights on the control panel
•
Any alarm or warning and the corresponding fault code read with the Grundfos R100 remote control.
These service instructions are published and updated in the Grundfos GTI database.
Symbols used in this document
Note
These service instructions include only MGE-F and its user interfaces (control panel, R100 and
PC Tool E-products). If the application includes other Grundfos products or systems, please
refer to the service instructions of these products.
Warning
If these safety instructions are not observed, it may result in personal injury.
Warning
If these instructions are not observed, it may lead to electric shock with consequent risk of
serious personal injury or death.
Warning
One or more components may be so hot that it may cause personal injury.
Caution
If these safety instructions are not observed, it may result in malfunction or damage to the
equipment.
Note
Notes or instructions that make the job easier and ensure safe operation.