Pioneer YN009GLFI19RPD User Manual

CS78421-548-754
DUCTLESS MINI SPLIT SYSTEM AIR CONDITIONER / HEAT PUMP
IMPORTANT NOTICE:
Please read this manual carefully before installing
or operating your new air conditioning system.
Be sure to save this manual for future reference.
Service Manual
WYT Inverter Series
For
9,000-36,000 BTU/hr Systems

Pioneer YN009GLFI19RPD Specifications

General

Brand	Pioneer
Model	YN009GLFI19RPD
Category	Air Conditioner
Language	English

Summary

Important Notice

Operation Details

Remote Controller Functions

Electronic Controller

Safety Protection Features

Heating Mode Operation

Defrosting

Protection and Failure Display

Error and Protection Codes

Failure Type Error List

Lists various failure types with corresponding LED and digital LED codes.

Protection Display Code List

Outdoor Unit Failure Display

Precautions

Installation Safety Rules

Safety guidelines and recommendations for the installation process.

User Safety Rules

Safety guidelines and recommendations for the user during operation.

Safety Rules and Prohibitions

Installation Manual

Installation Details

Installation for the First Time

Refrigerant Piping Connection

Outdoor Unit Connections

Troubleshooting

Outdoor Control System Diagram

ODU PCB Structure

ODU PCB Connections

Examples of Repair

Provides troubleshooting steps for common error codes.

Malfunction Parts Check Method

Flowchart to diagnose issues with outdoor unit IPM or compressor.

DC Over Current Error

Flowchart for diagnosing DC over current errors.

E0, E5 Error

Troubleshooting flowchart for E0 and E5 errors.

Examples of Repair

Display E1 or E2

Troubleshooting steps for E1 or E2 errors related to sensor faults.

Display E6

Troubleshooting steps for E6 error related to indoor motor faults.

Display E3 or E7

Troubleshooting steps for E3 or E7 errors related to outdoor sensor faults.

Display E8

Troubleshooting steps for E8 error related to outdoor discharge pipe sensor.

Display E0 or E5

Troubleshooting steps for E0 or E5 errors related to communication faults.

Display E0 or E5 (cont.)

Continued troubleshooting for E0 or E5 communication errors.

Display EA

Troubleshooting steps for EA error related to current sensor faults.

Display E9, P0, or P9

Troubleshooting steps for E9, P0, or P9 errors related to outdoor PCB drive faults.

Display EU

Troubleshooting steps for EU error related to voltage sensor faults.

Display EE

Troubleshooting steps for EE error related to EEPROM faults.

Display CL

Malfunction Parts Check Method

Outdoor IPM/Compressor Malfunction Procedure

Flowchart to diagnose issues with outdoor unit IPM or compressor.

DC Over Current Error

E0, E5 Error