Grundfos MLE 90 - User Manual

MGE and MLE model J
Service instructions
GRUNDFOS INSTRUCTIONS

Grundfos MLE 90 Specifications

General

Brand	Grundfos
Model	MLE 90
Category	Engine
Language	English

Summary

MGE and MLE Model J Service Instructions

Document Overview

Introduces the scope and purpose of the service instructions for MGE and MLE Model J.

1. Symbols and Safety Information

Hazard Warnings and Symbols

Explains CAUTION, WARNING, and DANGER symbols for user safety.

Important Safety Notes and Precautions

Covers other important notes and general safety advice for operation.

5. Service Tools

Required Tools for Service

7. Replacing Hardware

7.4 Replacing the Control Panel

Step-by-step guide for replacing the control panel.

7.5 Replacing the CIM Module

7.7 Replacing the Functional Module

7.8 Replacing the Power Module

Guide for replacing the power module of the motor.

7.9 Replacing the Terminal Box

7.10 Replacing the Stator Housing

7.12 Replacing Bearings (MGE 100 and below)

7.13 Replacing Bearings (MGE 112, 132, 160)

7.15 Configuring the Controller

Steps for configuring the motor controller and establishing connections.

8. Lubricating the Bearings

Bearing Lubrication and Maintenance

9. Fault Finding

9.1 General Fault Finding Procedures

9.2 Fault Indication Codes and Remedies

Lists fault codes, their causes, and recommended remedies.

9.3 Functional Module Diagnostics

Explains the status diode and voltage checks for the functional module.

9.4 Power Module Diagnostics

Explains the status diodes and voltage checks for the power module.

9.5 Winding Resistance Measurement