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Friedrich FPHSW12A1B - User Manual

Friedrich FPHSW12A1B
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1 PB
Service/ Parts Manual
Floating Air Pro-Premiere
Single Zone
96261401_01
Model Indoor Unit Outdoor Unit Voltage BTU
FPHW091 FPHSW09A1A FPHSR09A1A 115 9k
FPHW091A FPHSW09A1B FPHSR09A1A 115 9k WiFi
FPHW093 FPHFW09A3A FPHSR09A3A 208/230 9k
FPHW093A FPHFW09A3B FPHSR09A3A 208/230 9k WiFi
FRHW093 FRHSW09A3A FRHSR09A3A 208/230 9k
FRHW093A FRHSW09A3B FRHSR09A3A 208/230 9k WiFi
FPHW121 FPHSW12A1A FPHSR12A1A 115 12k
FPHW121A FPHSW12A1B FPHSR12A1A 115 12k WiFi
FPHW123 FPHFW12A3A FPHSR12A3A 208/230 12k
FPHW123A FPHFW12A3B FPHSR12A3A 208/230 12k WiFi
FRHW123 FRHSW12A3A FRHSR12A3A 208/230 12k
FRHW123A FRHSW12A3B FRHSR12A3A 208/230 12k WiFi
FPHW183 FPHFW18A3A FPHSR18A3A 208/230 18k
FPHW183A FPHFW18A3B FPHSR18A3A 208/230 18k WiFi
FPHW243 FPHFW24A3A FPHSR24A3A 208/230 24k
FPHW243A FPHFW24A3B FPHSR24A3A 208/230 24k WiFi
FPHW363 FPHSW36A3A FPHSR36A3A 208/230 36k
FPHW363A FPHSW36A3B FPHSR36A3A 208/230 36k WiFi
FPHW363B FPHSW36A3C FPHSR36A3B 208/230 36k WiFi

Table of Contents

Other manuals for Friedrich FPHSW12A1B

Preview: Service Manual
Service Manual94 pages

Questions and Answers

  • C
    christina41Aug 31, 2025
    Why is my Friedrich FPHSW12A1B's outdoor fan motor locked?
    • R
      robertbenitezAug 31, 2025
      The outdoor fan motor locked rotor protection in your Friedrich Air Conditioner may be triggered by: * A loose connection of the outdoor fan motor; you should secure the connection. * An obstruction blocking the outdoor fan; you should remove any obstructions. * A failed fan motor, in which case you should replace it. * A failed outdoor control board, in which case you should replace it.
  • R
    Robert UnderwoodAug 30, 2025
    What to do if my Friedrich Air Conditioner shows compressor shell temperature too high protection?
    • A
      Anne BradshawAug 30, 2025
      If your Friedrich Air Conditioner displays compressor shell temperature too high protection, it may be because: * The compressor exhaust temperature sensor connector is loose; you should secure it. * The unit has low refrigerant; you should recharge the refrigerant.
  • U
    uboyleAug 29, 2025
    How to fix AC voltage higher or lower protection on a Friedrich FPHSW12A1B?
    • J
      Jonathan ReedAug 29, 2025
      AC voltage higher or lower protection on your Friedrich Air Conditioner can be caused by: * A supply voltage that is higher or lower than normal; you should correct the supply voltage. * An inner supply voltage of the unit that is higher or lower than normal; you should adjust the inner supply voltage.
  • R
    Rodney GutierrezAug 28, 2025
    Why does my Friedrich FPHSW12A1B show compressor exhaust temperature too high protection?
    • C
      Christopher MillerAug 28, 2025
      The compressor exhaust temperature too high protection in your Friedrich Air Conditioner might be due to: * A failed compressor exhaust temperature sensor, which would need replacement. * Low refrigerant in the unit, requiring a recharge.
  • A
    Ashley TaylorAug 27, 2025
    What causes maximum current protection in my Friedrich Air Conditioner?
    • J
      Jason StricklandAug 27, 2025
      Maximum current protection in your Friedrich Air Conditioner can be triggered by a short circuit. This could be in the outdoor control board, the drive board, or other components. It is suggested to replace the outdoor control board or drive board if they are short-circuited. Inspect and replace any other short-circuited components.
  • E
    Eric JamesAug 27, 2025
    What to do if my Friedrich FPHSW12A1B Air Conditioner has current overload protection?
    • D
      dominguezmariaAug 27, 2025
      If your Friedrich Air Conditioner is experiencing current overload protection, it could be due to: * The fan motor running abnormally, in which case you should check and repair the fan motor. * Dirty condenser and evaporator coils, so you should clean them. * Abnormal air inlet and outlet; ensure that they are unobstructed.
  • A
    Arthur SandersAug 25, 2025
    How to fix communication failure between indoor and outdoor unit of Friedrich Air Conditioner?
    • R
      Renee ColemanAug 26, 2025
      A communication failure between the indoor and outdoor units of your Friedrich Air Conditioner can occur for several reasons: * The communication cable connector may be loose; ensure it is securely connected. * The connection between the filter board and the terminal might be incorrect or loose; verify the connection is correct and secure. * The communication cable itself might be faulty and need replacement. * The connection between the filter board and the outdoor control board might be incorrect or loose; verify the connection is correct and secure. * A failure in the indoor control board, PFC board, power board, or outdoor control board could also be the cause, requiring replacement of the respective board.
  • C
    Cynthia HernandezAug 25, 2025
    What to do about communication trouble between my Friedrich FPHSW12A1B Air Conditioner's outdoor unit and driver?
    • S
      Steven HartAug 25, 2025
      Communication trouble between the outdoor unit and driver of your Friedrich Air Conditioner can be due to: * Loose connection wires; secure any loose connection wires. * A failed outdoor board or drive board; replace the outdoor board or drive board.

Summary

Introduction

Important Safety Information

Crucial safety guidelines for installation and operation of the air conditioning unit.

Personal Injury Or Death Hazards

Details potential hazards that can lead to severe harm or fatalities during unit operation.

Specifications

Product Specifications 9 k and 12 k

Product Specifications 18 k, 24 k and 36 k

Capacities and Selection Data

Operation

Installation

Leak Check, Evacuation, and Charging

Procedure for leak checking, evacuating, and charging the refrigeration system.

Checklist and Operation Test

Maintenance

R-410 A Sealed System Repair

Components Testing

Electrical Communication Fault Isolation

Troubleshooting

Outdoor Unit Diagnostic Codes

Troubleshooting codes for outdoor unit failures indicated by LED patterns.

Indoor Unit Diagnostic Codes

Troubleshooting codes for indoor unit failures indicated by LED patterns.

LED Display Diagnostic Codes

Interpreting error codes displayed via LED patterns on the unit for diagnostics.

Unit Does Not Run Troubleshooting

Flowchart to diagnose and resolve the issue of the unit not running.

Error Code 39-DC FAN Troubleshooting

Troubleshooting steps for indoor DC fan motor issues (Error Code 39).

Error Code 9 Troubleshooting

Diagnosing and resolving Error Code 9 (Maximum current protection).

Error Code 13 Troubleshooting

Troubleshooting steps for Error Code 13 (Compressor over heat protection).

Error Code 15 Troubleshooting

Troubleshooting steps for Error Code 15 (Compressor shell temperature high protection).

Error Code 16 Cooling Mode Troubleshooting

Troubleshooting for Error 16 in cooling mode (Anti-freeze protection).

Error Code 21 Cooling Mode Troubleshooting

Troubleshooting for Error 21 (Outdoor coil anti-overload protection).

Error Code 11 EEPROM Fault Troubleshooting

Troubleshooting for Error 11 (Outdoor EEPROM fault).

Error Code 20 Troubleshooting

Troubleshooting steps for Error Code 20 (Outdoor fan motor locked rotor).

Error Code 36 Communication Trouble

Troubleshooting steps for Error Code 36 (Communication trouble).

Wiring Diagrams

Friedrich FPHSW12A1B Specifications

General IconGeneral
BrandFriedrich
ModelFPHSW12A1B
CategoryAir Conditioner
LanguageEnglish

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