To Next PageTo Next PageWhat to do if the Maytag MQU1556AEW Freezer compressor has no pressure?
If the Maytag Freezer's compressor shows no evidence of internal pressure when cutting the line or pulling the plugs, it should be returned for replacement.
General| Brand | Maytag |
|---|---|
| Model Number | MQU1556AEW |
| Type | Upright Freezer |
| Color | White |
| Energy Star Certified | Yes |
| Installation Type | Freestanding |
| Shelving Type | Wire |
| Reversible Door | Yes |
| Lock | Yes |
| Temperature Alarm | Yes |
| Power Freeze | Yes |
| Interior Light | Yes |
| Temperature Control | Mechanical |
| Defrost Type | Frost-Free |
Guidelines and warnings for technicians and consumers regarding service procedures.
Explanation of danger, warning, and caution symbols used in the manual.
Details the coding system used to identify Amana and Maytag freezer models.
Steps for removing packaging, handles, drain plugs, and toe grilles.
Recommendations for optimal placement to ensure efficiency and avoid service issues.
Instructions for proper grounding and use of extension cords.
Steps for attaching the freezer door handle and end caps.
Procedures for adjusting leveling legs to ensure the freezer is stable and level.
Tasks to perform after installation to verify proper operation and appearance.
Details on voltage, amperage, and grounding for safe operation.
Precautions to prevent accidents when disposing of old freezers.
Guidance on locating and recording serial plate information for service.
How to adjust the temperature dial for optimal freezing and storage.
Description of door lock mechanism and reversible rack functionality.
Recommendations for wrapping food and recommended storage times.
Instructions for washing and rinsing interior surfaces with baking soda solution.
Steps to eliminate odors using newspaper, charcoal, and cleaning.
Procedure for manually defrosting the freezer when frost accumulates.
Safety precautions and steps for replacing the freezer's light bulb.
Advice on operating the freezer efficiently to reduce energy consumption.
Instructions for preparing the freezer for extended periods of non-use.
Explains common sounds the freezer may make during operation.
Common issues and checks to perform before contacting customer support.
Methods for testing system temperatures and pressures using test equipment.
Procedure for pressure testing the main condenser for leaks.
Testing for refrigerant leaks and verifying the electrical system's integrity.
How to test compressor electrical connections and perform a direct test.
Procedures for testing the compressor overload protector.
Methods for testing the compressor capacitor's functionality.
Procedures for testing the PTC relay connected to the compressor.
Diagnosing issues with the interior light and its switch.
Methods for checking the temperature control's proper operation.
Procedures for calibrating and verifying temperature control settings.
Checking the operation and timing of the defrost timer.
Steps to test the defrost timer's motor and circuit functionality.
Procedures for testing the defrost heater and thermostat.
Procedures for testing the freezer fan motor's operation and wiring.
Table of performance data for various models and conditions.
Diagnosing causes for frost on the coil and compressor failures.
Addressing excessive noise and incorrect freezer temperatures.
Troubleshooting when the compressor doesn't start or the light is out.
Diagnosing external sweating and compressor short-cycling problems.
Addressing problems where the freezer doesn't freeze or is too cold.
Solutions for issues related to water drainage during defrost cycles.
Step-by-step guide for replacing the refrigerant drier.
Instructions for removing and installing a new compressor.
Procedures for replacing the heat exchanger in refrigerated shelf models.
Steps for replacing the heat exchanger in no-defrosting models.
Procedures for removing and replacing freezer shelving components.
Steps for removing and replacing the freezer coil assembly.
Instructions for replacing the interior light switch and temperature control.
Procedure for replacing the defrost heater element.
Instructions for removing and installing the freezer fan motor.
Overview of the freezer door components and assembly.
Steps for removing and installing the door lock mechanism.
Instructions for removing and installing the freezer door handle.
Procedures for removing and installing the inner door liner and gasket.
Methods for adjusting the door and improving the gasket seal for proper closure.
Details on cabinet construction, liner components, and drain system maintenance.
Explains normal operation and identifies common refrigerant system problems.
Information on system restrictions, moisture, and pressure issues.
Procedures for measuring and interpreting system pressures.
Guidance on testing freezer performance and common service tips.
Diagnosing and addressing voids in the freezer's foam insulation.
Lists common customer complaints and their potential causes.
Methods for identifying and locating refrigerant leaks, including internal types.
Steps for evacuating and charging the refrigeration system with HFC134a.
Information on HFC134a properties, safety, and comparison to CFC12.
Tools needed for HFC134a servicing and drier replacement procedures.
Steps for replacing the compressor and managing refrigerant charge.
Protocols for testing sealed systems for leaks and performing evacuation.
Procedures for dehydrating the system to remove moisture.
Safety warnings for handling refrigerants and keeping lines closed.
Use of line piercing valves and adjusting controls for altitude.
Details on cabinet construction, liner components, and drain system maintenance.
Wiring diagram for manual defrost freezer models.
Schematic and wiring diagram for frost-free freezer models.
