Maytag Washer Error Codes

Complete Maytag Washer Guide

This guide explains all Maytag Washer error codes (CH series) with simple troubleshooting steps to help you identify and fix common issues safely before calling a technician.

E1
Indoor/Outdoor Communication Error
  • Turn off power and restart the system.
  • Inspect communication wiring between indoor and outdoor units.
  • Check connectors for corrosion or looseness.
  • Replace control board if communication fails.
E9
PCB Communication Error
  • Inspect main PCB wiring connections.
  • Power cycle the air conditioner.
  • Check communication cable for damage.
  • Replace PCB if fault persists.
E2
Indoor Coil Sensor Fault
  • Inspect indoor coil thermistor wiring.
  • Test resistance with multimeter.
  • Check connector seating.
  • Replace sensor if readings are abnormal.
E3
Outdoor Coil Sensor Fault
  • Inspect outdoor sensor wiring harness.
  • Check sensor placement on coil.
  • Test resistance values.
  • Replace outdoor thermistor if needed.
E4
Compressor Overload Protection
  • Allow compressor to cool down.
  • Clean condenser coils for airflow.
  • Check refrigerant pressure.
  • Inspect capacitor and relay.
E5
Overcurrent Protection Triggered
  • Check voltage stability.
  • Inspect compressor current draw.
  • Verify wiring integrity.
  • Replace damaged electrical parts.
E6
Refrigerant Leak Detected
  • Inspect refrigerant piping for leaks.
  • Check flare joints and valves.
  • Contact HVAC technician.
  • Recharge system after repair.
E7
Fan Motor Error
  • Check fan blade obstruction.
  • Inspect wiring connections.
  • Test fan motor operation.
  • Replace motor if faulty.
E8
EEPROM / Memory Failure
  • Power cycle the unit.
  • Inspect PCB for moisture damage.
  • Check EEPROM communication lines.
  • Replace control board if needed.
EC
System Protection Mode Active
  • Allow unit to stabilize and cool down.
  • Check airflow restrictions.
  • Inspect sensors and refrigerant level.
  • Reset system after fixing issue.
E0
Indoor EEPROM Data Error
  • Restart air conditioner.
  • Inspect indoor PCB memory chip.
  • Check power fluctuations.
  • Replace indoor PCB if needed.
E10
Indoor Fan Motor Fault
  • Check indoor fan for obstruction.
  • Inspect fan motor wiring.
  • Test motor capacitor (if applicable).
  • Replace fan motor if not running.
E11
Outdoor Fan Motor Fault
  • Inspect outdoor fan blades.
  • Check wiring connections.
  • Test fan motor operation.
  • Replace outdoor fan motor if faulty.
E12
Compressor Phase Loss / Abnormal Operation
  • Check power supply voltage.
  • Inspect compressor wiring.
  • Verify phase balance.
  • Replace compressor control board if needed.
E13
Discharge Temperature Protection
  • Allow compressor to cool down.
  • Check refrigerant level.
  • Inspect temperature sensor.
  • Clean condenser coils.
E14
Anti-Freeze Protection Activated
  • Check indoor airflow blockage.
  • Clean air filters.
  • Inspect evaporator coil condition.
  • Restart system after defrost.
E15
High Pressure Protection
  • Clean condenser coil.
  • Check refrigerant overcharge.
  • Ensure outdoor fan is running.
  • Call technician if pressure persists.
E16
Low Pressure Protection
  • Check for refrigerant leak.
  • Inspect piping insulation.
  • Ensure system is properly charged.
  • Contact HVAC technician.
E20
Indoor Ambient Sensor Fault
  • Check room temperature sensor wiring.
  • Test sensor resistance.
  • Inspect connector pins.
  • Replace sensor if faulty.
E21
Outdoor Ambient Sensor Fault
  • Inspect outdoor sensor wiring.
  • Check placement exposure.
  • Test thermistor resistance.
  • Replace sensor if needed.
E22
Current Sensor Error
  • Inspect current transformer wiring.
  • Check PCB signal input.
  • Test compressor current draw.
  • Replace sensor or PCB if needed.

Frequently Asked Questions


Why is my Midea air conditioner not responding after a power interruption?
This usually happens after a power outage or voltage fluctuation. Check the circuit breaker, ensure the unit is properly plugged in, and wait a few minutes for the system to reboot. Perform a reset if the remote or control panel remains unresponsive.
Why does my Midea air conditioner keep restarting randomly?
Random restarts may be caused by unstable power supply, loose wiring, or control board issues. Check the power source, avoid extension cords, and reset the system. If the issue continues, internal electrical components may need inspection.
Why is my Midea air conditioner remote or control panel not working?
This may be due to weak batteries, signal blockage, or control lock activation. Replace remote batteries, ensure proper line-of-sight, and check if child lock or control lock is enabled.
Why does my Midea air conditioner stop cooling mid-cycle?
This can be caused by dirty filters, low refrigerant levels, sensor issues, or compressor protection mode. Clean air filters, ensure proper airflow, and restart the unit.
Why is my Midea air conditioner not cooling properly?
Poor cooling is often caused by dirty filters, blocked airflow, low refrigerant, or incorrect temperature settings. Clean filters, close doors/windows, and ensure proper cooling mode is selected.
Why is my Midea air conditioner making unusual noises?
Noises may come from loose components, fan imbalance, or debris inside the unit. Turn off the system, inspect airflow paths, and ensure mounting is secure.
Why is my Midea air conditioner leaking water?
Water leakage is usually caused by a clogged drain pipe, dirty filters, or improper installation. Clean the drain line, check for blockages, and ensure the unit is level.
Why does my Midea air conditioner smell bad?
Bad odors are often caused by mold buildup in filters or evaporator coils. Clean filters regularly and schedule deep cleaning to remove bacteria and moisture buildup.
Why is my Midea air conditioner freezing up?
Freezing may occur due to restricted airflow, dirty filters, or low refrigerant. Turn off the unit, allow it to thaw, clean filters, and ensure proper airflow.
Why does my Midea air conditioner run but not cool the room?
This may be caused by incorrect mode settings, compressor issues, or refrigerant problems. Verify cooling mode, clean filters, and ensure proper ventilation.
Why does my Midea air conditioner turn off by itself?
This may be caused by overheating protection, timer settings, or power instability. Check timer settings, clean filters, and ensure stable voltage supply.
Why is my Midea air conditioner fan not working properly?
Fan issues may be caused by motor failure, dust buildup, or wiring problems. Clean the fan, check for obstructions, and inspect motor operation.
Why is my Midea air conditioner display showing random symbols or errors?
This may indicate a control board glitch or communication issue. Reset the unit by turning off power for 5–10 minutes and restarting the system.
How do I reset my Midea air conditioner?
Turn off the unit, disconnect power for 5–10 minutes, then restart. You can also reset using the remote control depending on the model.
Why do Midea air conditioner problems keep coming back?
Recurring issues usually indicate deeper problems such as dirty coils, refrigerant leaks, sensor failure, or electrical faults that require professional diagnosis.
When should I call a technician for my Midea air conditioner?
If problems persist after cleaning, resetting, and basic troubleshooting, or if cooling performance continues to drop, stop using the unit and contact an authorized technician.
Important: If Midea air conditioner issues continue after troubleshooting, disconnect power immediately and stop using the appliance. Persistent faults may indicate refrigerant leaks, electrical issues, compressor failure, or control board problems. Continued operation may cause further damage or safety risks. Contact an authorized Midea technician for proper inspection and repair.