Fujitsu AOYR07LCC User Manual (English)

Other manuals for Fujitsu AOYR07LCC

Questions and Answers:

J
jason99Aug 20, 2025
Why my Fujitsu AOYR07LCC Air Conditioner does not operate at all?
- V
  victoriabensonAug 21, 2025
  If your Fujitsu Air Conditioner isn't operating, and the Operation Lamp and Timer Lamp aren't lit, you should check a few things: * Ensure the input power voltage from the exclusive circuit AC outlet is normal. * Make sure the AC plug is securely inserted into the AC outlet and isn't loose. * Verify that any connected cables are wired correctly. * Confirm that each connector is securely inserted.
K
Kristen JacksonAug 22, 2025
What to do if my Fujitsu AOYR07LCC Air Conditioner shows excessive high pressure protection on cooling?
- K
  Kelly RamseyAug 22, 2025
  If your Fujitsu Air Conditioner is showing an excessive high pressure protection error during cooling, check the following: * Ensure that heat radiation is not blocked at the inlet or outlet. * Verify that the outdoor fan is functioning correctly and rotating. * Check for any issues with the refrigeration cycle.
T
trevorcruzAug 25, 2025
What causes IPM protection in my Fujitsu AOYR07LCC Air Conditioner?
- G
  gdorseyAug 25, 2025
  If your Fujitsu Air Conditioner is showing IPM protection, it indicates that an abnormal current value has been detected. Here's what you should check: * Ensure that heat radiation is not blocked at the inlet or outlet. * Verify that the outdoor fan is functioning correctly and rotating. * The controller PCB might be defective.
T
Travis MyersAug 26, 2025
What to do if my Fujitsu Air Conditioner has indoor fan lock error?
- A
  Ann PowersAug 27, 2025
  If your Fujitsu Air Conditioner displays an indoor fan lock error, it means the indoor fan speed is 0 rpm after 56 seconds from starting or changing the fan mode. Here’s what to check: * Check the fan motor connector for looseness or defective contact. * The fan motor might be defective. * The controller PCB might be defective.
G
Gregory SmithAug 27, 2025
What to do if my Fujitsu Air Conditioner has indoor fan speed error?
- K
  kingmiguelAug 27, 2025
  If your Fujitsu Air Conditioner displays an indoor fan speed error, it means the indoor fan speed is 1/3 of the target frequency after 56 seconds from starting or changing the fan mode. Here’s what to check: * Check the fan motor connector for looseness or defective contact. * The fan motor might be defective. * The controller PCB might be defective.
P
Phillip KingAug 29, 2025
What causes a room temperature thermistor defective in Fujitsu AOYR07LCC?
- M
  mark56Aug 29, 2025
  If your Fujitsu Air Conditioner shows a room temperature thermistor defect, it means the thermistor detected an abnormal temperature when the power was turned on. Check the thermistor resistance value. The controller PCB might be defective.
B
Beth ReynoldsAug 31, 2025
What does main relay error mean on Fujitsu AOYR07LCC?
- C
  Candice AlexanderAug 31, 2025
  If your Fujitsu Air Conditioner displays a main relay error, it means that after 2 minutes 20 seconds of stopping operation, the signal from the outdoor unit is received even though the main relay is OFF. The main relay might be defective or the Controller PCB might be defective.
A
Amanda MitchellSep 2, 2025
Why Fujitsu AOYR07LCC Air Conditioner shows serial reverse transfer error at starting up operation?
- M
  Melissa SmithSep 2, 2025
  If your Fujitsu Air Conditioner displays a serial reverse transfer error at startup, it means the indoor unit isn't receiving a signal for 10 seconds after the power relay turns on. Check the indoor/outdoor cable connection. If the wiring is normal, measure the voltage of the outdoor unit terminals and diagnose the defective location.
K
Kyle GreenSep 3, 2025
What does serial reverse transfer error during the operation mean for Fujitsu AOYR07LCC Air Conditioner?
- O
  Olivia SimsSep 4, 2025
  If your Fujitsu Air Conditioner displays a serial reverse transfer error during operation, it means the indoor unit isn't receiving a signal for 10 seconds. Check the indoor/outdoor cable connection. If the wiring is normal, measure the voltage of the outdoor unit terminals and diagnose the defective location.
A
alexanderericaSep 5, 2025
Why Fujitsu Air Conditioner shows serial forward transfer error at starting up operation?
- D
  David RomeroSep 6, 2025
  If your Fujitsu Air Conditioner displays a serial forward transfer error at startup, it means the outdoor unit isn't receiving a signal for 10 seconds after the power relay turns on. Check the indoor/outdoor cable connection. If the wiring is normal, measure the voltage of the outdoor unit terminals and diagnose the defective location.

Fujitsu AOYR07LCC Specifications

General

Power Supply	220-240V, 50Hz
Refrigerant	R410A
Weight (Indoor Unit)	9 kg
Coefficient of Performance (COP)	3.5
Noise Level (Outdoor Unit)	50 dB(A)
Type	Split Type
Cooling Capacity	7, 000 BTU/h

Summary

SERVICE INSTRUCTION

SPECIFICATIONS

Model Specifications Overview

Detailed technical data for various models including capacity, power, and dimensions.

DIMENSIONS

Unit Dimension Diagrams

Visual representations of indoor and outdoor unit dimensions for different models.

REFRIGERANT SYSTEM DIAGRAM

Refrigerant Flow Diagrams

Diagrams illustrating the refrigerant flow path for different model configurations.

CIRCUIT DIAGRAM

Electrical Circuit Schematics

Wiring diagrams showing the electrical connections for indoor and outdoor units.

DESCRIPTION OF EACH CONTROL OPERATION

Cooling Operation Details

Explanation of the cooling mode operation and capacity control.

Heating Operation Details

Explanation of the heating mode operation and capacity control.

Dry Operation Details

Description of the dry mode operation and indoor unit control.

Auto Changeover Operation

How the unit automatically switches between operating modes based on temperature.

Indoor Fan Control

Details on adjusting indoor fan speed and operation modes.

Cool Air Prevention Control

Mechanism to prevent cold air discharge during heating operation.

OUTDOOR FAN CONTROL

Outdoor Fan Motor Types

Identification of AC and DC outdoor fan motors used in different models.

Outdoor Fan Speed Management

How outdoor fan speed is controlled based on operating conditions.

LOUVER CONTROL

Vertical Louver Adjustment

How to control the direction of airflow with vertical louvers.

Swing Operation Functionality

How the swing function for airflow direction operates.

COMPRESSOR CONTROL

Compressor Operating Frequency Ranges

The range of compressor frequencies used in different operation modes.

Startup Frequency Control

How compressor frequency is managed during unit startup.

TIMER OPERATION CONTROL

Available Timer Settings

Information on ON/OFF, Program, and Sleep timers for unit operation.

Program and Sleep Timer Functions

Detailed explanation of how program and sleep timers function.

ELECTRONIC EXPANSION VALVE CONTROL

TEST OPERATION CONTROL

PREVENT TO RESTART FOR 3 MINUTES ( 3 MINUTES ST )

FOUR-WAY VALVE EXTENSION SELECT

AUTO RESTART

MANUAL AUTO OPERATION (Indoor unit body operation)

FORCED COOLING OPERATION

COMPRESSOR PREHEATING

COIL DRY OR AIR CLEAN OPERATION CONTROL

Coil Dry Operation

Explanation of the coil-dry function for moisture removal.

Air Clean Operation (ASYB09/12LDC)

Details on the air cleaning function for specific models.

DEFROST OPERATION CONTROL

Defrost Starting Conditions

Criteria that trigger the defrost operation based on temperature and time.

Defrost Completion Conditions

Conditions that lead to the termination of the defrost cycle.

OFF DEFROST OPERATION CONTROL

Off Defrost Starting Conditions

Conditions initiating defrost when the unit is not actively heating.

Off Defrost Ending Conditions

Criteria for completing the off-defrost cycle.

VARIOUS PROTECTIONS

Discharge Gas Temperature Over-rise Protection

Protection against excessive discharge gas temperature.

Current Release Control

Prevents outdoor unit current from exceeding limits.

Anti-freezing Control

Protection against indoor coil freezing during cooling/dry modes.

Cooling Pressure Over-rise Protection

Protection against high pressure during cooling operation.

High Temperature Release Control (Heating)

Reduces compressor frequency at high temperatures during heating.

REFRIGERANT CAUTION -R410A

R410A Tools and Equipment

Necessary tools and equipment for working with R410A refrigerant.

Installation Precautions for R410A

Important considerations when installing systems with R410A.

Servicing Precautions for R410A

Safety and procedural guidelines for servicing R410A systems.

New Refrigerant R410A Information

Details about R410A, its environmental impact, and phase-out schedules.

Refrigerant Characteristics and Comparison

Properties of R410A compared to R407C and R22.

Differences from R22 Models and Precautions

Key differences and necessary precautions when working with R410A vs R22.

TROUBLE SHOOTING

Unit Not Operating Troubleshooting

Steps to diagnose why the unit is not operating at all.

Self-Diagnosis Function Guide

How to use the unit's self-diagnosis feature to identify faults.

Troubleshooting Methods

General methods including serial signal, IPM, and refrigerant cycle checks.

APPENDING DATA

Jumper Setting Configuration

Guide for setting internal jumpers for various functions and models.

Performance Curves (Pressure/Current)

Charts showing performance characteristics under different conditions.

Thermistor Resistance Values

Tables and graphs detailing thermistor resistance at various temperatures.

Capacity and Input Data Charts

Graphs illustrating unit capacity and input power under different operating conditions.

REPLACEMENT PARTS

Indoor Unit Exploded Views

Visual breakdowns of indoor unit components for replacement.

Outdoor Unit Exploded Views

Visual breakdowns of outdoor unit components for replacement.

Wiring and Assembly Procedures

Guides for wiring and assembling replacement parts correctly.

INSTALLATION MANUAL

Special Tools for R410A Installation

List of specialized tools required for installing R410A systems.

Standard Installation Accessories

List of standard parts included with the unit for installation.

Electrical Requirements and Safety

Guidelines for proper electrical connections and safety precautions.

Mounting Position Selection

Recommendations for choosing the optimal location for indoor and outdoor units.

Indoor/Outdoor Unit Installation Diagrams

Visual guides for positioning and mounting the indoor and outdoor units.

Panel and Grille Handling Procedures

Instructions for removing and installing front panels and intake grilles.

Air Cleaning Unit Installation

Steps for installing the air cleaning unit.

Pump Down Operation Procedure

Method for recovering refrigerant before unit relocation or disposal.

Piping and Wiring Installation Steps

Detailed procedures for connecting refrigerant pipes and electrical wiring.

Test Running and Final Checks

Steps for performing final checks and test runs after installation.

Related product manuals

Fujitsu AOYR07LCC User Manual

Table of Contents

Other manuals for Fujitsu AOYR07LCC

Questions and Answers:

Fujitsu AOYR07LCC Specifications

Summary

SERVICE INSTRUCTION

SPECIFICATIONS

Model Specifications Overview

DIMENSIONS

Unit Dimension Diagrams

REFRIGERANT SYSTEM DIAGRAM

Refrigerant Flow Diagrams

CIRCUIT DIAGRAM

Electrical Circuit Schematics

DESCRIPTION OF EACH CONTROL OPERATION

Cooling Operation Details

Heating Operation Details

Dry Operation Details

Auto Changeover Operation

Indoor Fan Control

Cool Air Prevention Control

OUTDOOR FAN CONTROL

Outdoor Fan Motor Types

Outdoor Fan Speed Management

LOUVER CONTROL

Vertical Louver Adjustment

Swing Operation Functionality

COMPRESSOR CONTROL

Compressor Operating Frequency Ranges

Startup Frequency Control

TIMER OPERATION CONTROL

Available Timer Settings

Program and Sleep Timer Functions

ELECTRONIC EXPANSION VALVE CONTROL

TEST OPERATION CONTROL

PREVENT TO RESTART FOR 3 MINUTES ( 3 MINUTES ST )

FOUR-WAY VALVE EXTENSION SELECT

AUTO RESTART

MANUAL AUTO OPERATION (Indoor unit body operation)

FORCED COOLING OPERATION

COMPRESSOR PREHEATING

COIL DRY OR AIR CLEAN OPERATION CONTROL

Coil Dry Operation

Air Clean Operation (ASYB09/12LDC)

DEFROST OPERATION CONTROL

Defrost Starting Conditions

Defrost Completion Conditions

OFF DEFROST OPERATION CONTROL

Off Defrost Starting Conditions

Off Defrost Ending Conditions

VARIOUS PROTECTIONS

Discharge Gas Temperature Over-rise Protection

Current Release Control

Anti-freezing Control

Cooling Pressure Over-rise Protection

High Temperature Release Control (Heating)

REFRIGERANT CAUTION -R410A

R410A Tools and Equipment

Installation Precautions for R410A

Servicing Precautions for R410A

New Refrigerant R410A Information

Refrigerant Characteristics and Comparison

Differences from R22 Models and Precautions

TROUBLE SHOOTING

Unit Not Operating Troubleshooting

Self-Diagnosis Function Guide

Troubleshooting Methods

APPENDING DATA

Jumper Setting Configuration

Performance Curves (Pressure/Current)

Thermistor Resistance Values

Capacity and Input Data Charts

REPLACEMENT PARTS

Indoor Unit Exploded Views

Outdoor Unit Exploded Views

Wiring and Assembly Procedures

INSTALLATION MANUAL

Special Tools for R410A Installation

Standard Installation Accessories