Sharp Refrigerator Error Codes

Complete Sharp Refrigerator Guide

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

F1
Temperature Sensor Fault
  • Inspect thermistor wiring connections.
  • Test sensor resistance values.
  • Check for corrosion or loose terminals.
  • Replace faulty temperature sensor if needed.
F2
Defrost System Error
  • Test defrost heater continuity.
  • Inspect defrost thermostat and wiring.
  • Check evaporator for ice buildup.
  • Replace faulty defrost components.
F3
Fan Motor Failure
  • Inspect evaporator fan for obstruction.
  • Check fan motor wiring connections.
  • Test fan motor operation.
  • Replace fan motor if defective.
F4
Compressor Issue
  • Inspect compressor relay and capacitor.
  • Check voltage supply stability.
  • Clean condenser coils for airflow.
  • Replace compressor components if needed.
F5
Door Sensor Error
  • Ensure refrigerator door closes fully.
  • Inspect door switch alignment.
  • Test door sensor continuity.
  • Replace sensor if defective.
F6
Communication Failure
  • Power cycle the refrigerator.
  • Inspect wiring between control boards.
  • Check connectors for looseness or damage.
  • Replace main PCB if communication fails.
F7
Refrigerant Flow Issue
  • Check for refrigerant leaks.
  • Inspect capillary tube blockage.
  • Ensure compressor is running properly.
  • Recharge refrigerant if required.
F8
Overload Protection Triggered
  • Turn off unit and allow cooling time.
  • Check condenser coil cleanliness.
  • Ensure proper ventilation around unit.
  • Restart after thermal reset.
F9
High Temperature Alarm
  • Check door sealing and gasket condition.
  • Inspect airflow inside compartments.
  • Reduce frequent door opening.
  • Allow unit time to stabilize temperature.
F10
Low Temperature Sensor Reading Error
  • Inspect freezer sensor connection.
  • Test thermistor resistance accuracy.
  • Check wiring harness for damage.
  • Replace sensor if readings are unstable.
F11
Ice Maker System Error
  • Check water supply line.
  • Inspect ice maker motor and sensor.
  • Clear ice blockage inside mechanism.
  • Reset ice maker module.
F12
Water Supply Fault (Ice System)
  • Ensure water valve is fully open.
  • Check inlet hose for blockage.
  • Clean inlet filter screen.
  • Replace water valve if needed.
F13
Evaporator Frost Build-Up
  • Defrost unit completely.
  • Check defrost heater operation.
  • Inspect door gasket sealing.
  • Clean airflow passages.
F14
Main Control Board Fault
  • Restart refrigerator system.
  • Check PCB for burn marks or damage.
  • Inspect wiring harness connections.
  • Replace main control board if needed.
E5
Temperature Detection Fault
  • Allow unit to stabilize temperature.
  • Check freezer environment conditions.
  • Ensure proper food placement.
  • Restart after 10–15 minutes.

Frequently Asked Questions


Why does my Sharp Refrigerator show ERR or system error messages?
ERR messages usually indicate sensor faults, defrost system issues, compressor communication errors, fan motor problems, or control board malfunctions. Turn off the refrigerator, unplug it for a few minutes, then restart. Check power stability, airflow, and door sealing.
Why is my Sharp Refrigerator not cooling properly?
Poor cooling is often caused by dirty condenser coils, blocked airflow, low refrigerant, faulty fans, or compressor issues. Clean coils, ensure proper ventilation, and check temperature settings.
Why does my Sharp Refrigerator stop running or cycle off frequently?
This may be due to overload protection, unstable power supply, thermostat issues, or compressor cycling faults. Ensure stable voltage and allow the unit to reset.
Why does my Sharp Refrigerator not turn on?
Check the power outlet, breaker, and power cord. Ensure internal fuse is not blown and the thermostat is set correctly. Perform a full power reset if needed.
Why does my Sharp Refrigerator make unusual noises?
Unusual noises may come from the compressor, evaporator fan, or loose internal parts. Check for vibration, ensure proper leveling, and inspect fan blades.
Why does my Sharp Refrigerator leak water?
Water leakage is usually caused by clogged defrost drain, blocked drain line, or ice buildup. Clean the drain hole and check door seal condition.
Why does my Sharp Refrigerator freeze food in the fresh food compartment?
This may be caused by incorrect temperature settings, faulty thermostat, or blocked airflow vents. Adjust temperature and ensure proper air circulation.
Why does my Sharp Refrigerator smell bad inside?
Bad odor is usually caused by spoiled food, dirty interior, or blocked drain tray. Clean all compartments and remove expired items regularly.
Why does my Sharp Refrigerator frost or ice build up excessively?
Ice buildup may result from faulty defrost system, door gasket leakage, or frequent door opening. Inspect seals and ensure proper defrost operation.
How do I reset my Sharp Refrigerator system messages?
Unplug the refrigerator for 5–10 minutes, then reconnect power. This clears temporary system errors and resets control functions.
Why does my Sharp Refrigerator run continuously?
Continuous running may be caused by dirty coils, warm ambient temperature, faulty thermostat, or refrigerant issues. Clean condenser and check settings.
When should I service my Sharp Refrigerator?
Service is recommended if cooling fails, compressor runs constantly, unusual noises persist, water leakage continues, or error messages repeatedly appear.
Important: Sharp Refrigerator system messages are safety features designed to protect internal components such as the compressor, fans, sensors, and control board. If issues continue after troubleshooting, stop using the appliance and contact an authorized Sharp service center.