To Next PageTo Next PageWhat to do if the 2-way valve thermistor has a short-circuit error in my Sharp AY-XP9GHR?
If your Sharp Room air conditioner displays a 2-way valve thermistor short-circuit error, the suggested solution is to replace the outdoor unit control PWB assembly.
What to do if suction thermistor short-circuit error appears on my Sharp Room air conditioner?
If you're encountering a suction thermistor short-circuit error with your Sharp Room air conditioner, the recommended fix is to replace the outdoor unit thermistor assembly.
What to do if outside temperature thermistor short-circuit error appears on my Sharp AY-XP9GHR Room air conditioner?
If your Sharp Room air conditioner is showing an outside temperature thermistor short-circuit error, you should replace the outdoor unit thermistor assembly.
How to troubleshoot outdoor unit thermistor short-circuit on Sharp AY-XP9GHR Room air conditioner?
To troubleshoot an outdoor unit thermistor short-circuit in your Sharp Room air conditioner: * Measure the resistance of the outdoor unit thermistors (TH2 to TH5: Approx. 4.4 kΩ at 25°C). * Check the lead wire of the outdoor unit thermistor for a torn sheath and short-circuit. * If no abnormalities are found during these inspections, replace the outdoor unit thermistor assembly.
Detailed technical specifications for indoor and outdoor units, including cooling capacity and electrical data.
Visual representation and dimensions of the indoor and outdoor units with measurement details.
Electrical wiring diagrams for indoor and outdoor units, including self-diagnosis LED indications.
List of electrical components for indoor and outdoor units with model numbers and remarks.
Schematic overview of the system's functional blocks and their interconnections.
Explanation of the microcomputer control system's architecture and operation logic.
Description of the air conditioner's operational functions and modes.
Details on safety protection devices and their operational functions.
How the unit operates when thermistor errors occur, including specific error conditions.
Data on thermistor temperature characteristics and their role in operation.
Instructions for operating the outdoor unit in an independent mode.
A general chart for troubleshooting common issues and their solutions.
How to use the self-diagnosis function and interpret error code displays.
This document provides a comprehensive service manual for the Sharp Split Type Room Air Conditioner, covering models AY-XP9GHR and AY-XP12GHR for indoor units, and AE-X9GHR and AE-X12GHR for outdoor units. It is designed for after-sales service and emphasizes the importance of restoring the set to its original condition using identical specified parts for user safety and optimal performance.
The manual is structured into several key chapters to facilitate understanding and troubleshooting. Chapter 1, "Specification," outlines the general characteristics and electrical data for both indoor and outdoor units, including details on the compressor, refrigerant system, fan system, connections, and safety devices. This section provides a foundational understanding of the air conditioner's components and their interrelationships.
Chapter 2, "Explanation of Circuit and Operation," delves into the internal workings of the air conditioner. It includes block diagrams to visually represent the system's architecture, a detailed explanation of the microcomputer control system, and a description of various functions. This chapter is crucial for technicians to understand how the different parts of the air conditioner communicate and operate in a coordinated manner.
Chapter 3, "Function and Operation of Protective Procedures," focuses on the safety and diagnostic features of the device. It describes the functions and operations of various protection devices, explaining how the air conditioner behaves in the event of a thermistor error. The chapter also provides thermistor temperature characteristics, instructions on how to operate the outdoor unit independently, and a general troubleshooting chart. This section is vital for diagnosing and resolving issues related to the air conditioner's protective mechanisms.
A significant portion of the manual is dedicated to the "Troubleshooting Guide," which details the self-diagnosis function and display mode. This guide explains how to call out the content of the self-diagnosis memory using the emergency operation button and how error indications are displayed on both indoor and outdoor units. It differentiates between error main categories and sub-categories, providing examples of how these are displayed. The guide also clarifies that the self-diagnosis memory is lost if the power cord is unplugged or the circuit breaker is turned off.
The troubleshooting section includes detailed tables that correlate the status of indoor/outdoor units, LED indications on the outdoor unit, malfunction numbers displayed on the main unit, content of diagnosis (main and sub-categories), inspection locations/methods, and recommended remedies. This structured approach allows technicians to systematically identify and resolve problems. For instance, if the outdoor unit LED flashes two times, indicating a "Cycle temperature" issue, the manual suggests checking the outdoor unit air outlet for blockage, verifying power supply voltage, checking for refrigerant leaks, measuring compressor thermistor resistance, and inspecting the expansion valve. The corresponding remedies include ensuring unobstructed airflow, connecting proper voltage, charging refrigerant, replacing the compressor thermistor assembly, or replacing expansion valve components.
The guide also covers various other diagnostic scenarios, such as outdoor unit thermistor open-circuit errors, outdoor unit DC overcurrent errors, outdoor unit AC overcurrent errors, PAM over voltage errors, and serial communication errors. For each scenario, specific inspection steps are provided, ranging from checking connectors and lead wires to measuring resistances and voltages, and verifying proper component rotation or installation. The remedies often involve correcting installations, replacing faulty thermistor assemblies, control PWBs, fan motors, compressors, or fuses, and ensuring stable power supply or correct wiring.
Furthermore, the manual addresses malfunction indications due to erroneous inter-unit wiring during air conditioner installation. It presents different wiring error modes and their corresponding symptoms, such as the indoor unit relay turning on momentarily and then off, or relays turning off after about 30 minutes with specific malfunction diagnosis displays. This section helps installers and technicians identify and rectify wiring mistakes that can prevent the air conditioner from functioning correctly.
The "Replacement Parts List" is another critical component of the manual, providing a comprehensive list of electrical parts for both indoor and outdoor units. This list includes details such as the model number and remarks for components like indoor and outdoor fan motors, capacitors, transformers, fuses, and the compressor. This information is essential for ordering and replacing parts, ensuring that only specified components are used to maintain the safety and performance of the air conditioner.
In summary, this service manual is a comprehensive resource for the Sharp Split Type Room Air Conditioner. It provides detailed information on specifications, circuit operation, protective procedures, and an extensive troubleshooting guide with clear diagnostic steps and remedies. The emphasis on using identical specified parts for repairs underscores the manufacturer's commitment to user safety and product performance.
General| Cooling Capacity | 2.5 kW |
|---|---|
| Heating Capacity | 3.2 kW |
| Power Supply | 220-240V, 50Hz |
| Refrigerant | R32 |
| Weight (Outdoor Unit) | 28 kg |
| Cooling Capacity (BTU) | 8530 BTU |
