Lennox MPB018S4M-*P User Manual

104
Error Code: E2 (continued)
UseamultimetertotesttheDCvoltagebetween2portand
3portof outdoorunit.Theredpinofmultimeterconnects
with2portwhiletheblackpinisfor3port.
Whenunitisnormalrunning,thevoltagewillmovealternately
betweenpositivevalueandnegativevalue.
Self-Check OK
Power (some
modles)
Opera ng
Power(some
models)
IPM(for2-zone/3-zone)
MainboardLEDwhenpoweronandunit
standby.

Lennox MPB018S4M-*P Specifications

General

Brand	Lennox
Model	MPB018S4M-*P
Category	Air Conditioner
Language	English

Summary

Single and Multiple Zone Outdoor Units

Outdoor Unit Clearances

Specifies required installation clearances for outdoor units.

M22A, M33A and M33B Cassette Non-Ducted Indoor Units

M22A, M33A and M33B Indoor Unit Clearances

Specifies installation clearances for M22A, M33A, M33B indoor units.

MMDA Ducted Indoor Units

Indoor Unit Clearances

Specifies installation clearances for MMDA ducted indoor units.

Power Wiring for Outdoor and Indoor Units (Diagrams)

Power Wiring for Outdoor and Indoor Units (Diagrams)

Provides diagrams and instructions for power wiring of outdoor and indoor units.

Start-Up

Adding Refrigerant - Single-Zone Systems

Instructions for adding refrigerant to single-zone systems.

Adding Refrigerant - Multi-Zone Systems

Instructions for adding refrigerant to multi-zone systems.

Quick Reference Guide - Error Codes

Quick Reference Guide - Error Codes

Provides a summary of error codes for quick reference.

Troubleshooting Outdoor Unit Error Codes

Troubleshooting Outdoor Unit Error Codes

Provides troubleshooting steps for specific outdoor unit error codes.

Troubleshooting Indoor Unit Error Codes

Troubleshooting Indoor Unit Error Codes

Provides troubleshooting steps for indoor unit error codes.

Component Troubleshooting

Compressor Check

Instructions for checking compressor windings resistance.

IPM Check