Whirlpool Dishwasher Error Codes

Complete Whirlpool Dishwasher Guide

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

F1 E1
Control Board Failure
  • Restart dishwasher power for 10 minutes.
  • Inspect main control board for burn marks.
  • Check wiring connections for looseness or corrosion.
  • Replace PCB if fault persists.
F2 E1
User Interface / Stuck Keypad
  • Clean control panel surface.
  • Check for stuck or damaged buttons.
  • Inspect ribbon cable connection.
  • Replace UI panel if needed.
F3 E2
Communication Error Between Modules
  • Turn off power for 5–10 minutes.
  • Inspect wiring harness between boards.
  • Check connector corrosion or looseness.
  • Replace main control board if issue persists.
F4 E3
Wash Motor Not Running
  • Inspect circulation pump motor.
  • Check wiring connections.
  • Clear debris blocking impeller.
  • Replace motor if faulty.
F5 E4
Wash Performance Weak
  • Clean spray arms and filter.
  • Check water pressure supply.
  • Inspect circulation pump for wear.
  • Ensure detergent dispenser is working.
F5 E1
Door Switch Problem
  • Check door latch alignment.
  • Inspect door switch wiring.
  • Ensure door closes properly.
  • Replace door switch if needed.
F5 E2
Door Not Closing Properly
  • Inspect door gasket for damage.
  • Check hinge alignment.
  • Remove obstruction from door seal area.
  • Adjust or replace latch assembly.
F6 E1
Water Inlet Issue
  • Check water supply valve.
  • Clean inlet filter screen.
  • Inspect inlet valve solenoid.
  • Ensure proper water pressure.
F6 E2
Low Water Flow Detected
  • Inspect inlet hose for kinks.
  • Clean water inlet filter.
  • Check household water pressure.
  • Replace inlet valve if needed.
F7 E1
Heating Circuit Problem
  • Inspect heating element continuity.
  • Check thermal fuse condition.
  • Test wiring connections.
  • Replace heater if needed.
F7 E2
Water Not Heating Properly
  • Check thermostat sensor.
  • Inspect heater relay on PCB.
  • Ensure proper cycle settings.
  • Replace heating element if faulty.
F8 E2
Drain Pump Electrical Issue
  • Inspect drain pump motor.
  • Check wiring harness.
  • Remove debris from pump.
  • Replace pump if faulty.
F9 E1
Drain System Blocked
  • Clean drain hose and filter.
  • Check for blockage in pump.
  • Inspect drain valve operation.
  • Restart cycle after cleaning.
F9 E2
Slow Drain Detected
  • Check drain hose for partial blockage.
  • Clean filter and sump area.
  • Inspect pump impeller wear.
  • Replace pump if performance is weak.
F8 E4
Overflow / Float Switch Activated
  • Check for water leakage inside unit.
  • Inspect float switch movement.
  • Clean base tray of dishwasher.
  • Dry unit and reset system.
F8 E5
Leak Detected in Base Pan
  • Inspect dishwasher base for water.
  • Check hose connections for leaks.
  • Dry leakage tray completely.
  • Test unit after resetting system.

Frequently Asked Questions


Why does my Whirlpool dishwasher show system messages or error codes?
Whirlpool dishwasher system messages usually indicate issues with water inlet, drainage, wash motor, heating element, door latch system, water level sensor, or control board communication failures. Restart the dishwasher and inspect water supply, filters, and drainage system if the message persists.
Why does my Whirlpool dishwasher stop working suddenly?
Sudden shutdowns may be caused by power interruptions, overheating protection, water supply failure, clogged filters, drain blockage, or internal electronic faults. Turn off the dishwasher, allow it to reset, then check water and power supply before restarting.
Why is my Whirlpool dishwasher not filling with water?
Check that the water supply valve is fully open, inlet hose is not kinked, and inlet filter is clean. Low water pressure or a faulty inlet valve can also prevent proper filling.
Why is my dishwasher showing a water inlet error?
This error usually indicates restricted water flow or inlet valve malfunction. Clean filters, inspect hoses, and ensure stable household water pressure.
Why is my Whirlpool dishwasher not draining water?
Drain issues are commonly caused by a clogged filter, blocked drain hose, or faulty drain pump. Clean the filter assembly and check for obstructions in the drain line.
Why does my dishwasher leave water inside the tub?
Standing water may indicate drain pump failure, hose blockage, or a restricted drainage system. Inspect and clean all drain components thoroughly.
Why does my Whirlpool dishwasher not start?
Ensure the door is fully closed and latched. Check power supply and cycle settings. A faulty door latch switch can also prevent operation.
Why does my dishwasher show a door error?
Door errors occur when the latch is not engaged, misaligned, or the door switch fails to detect closure. Close the door firmly and inspect the locking mechanism.
Why is my Whirlpool dishwasher not cleaning dishes properly?
Poor cleaning may be caused by clogged spray arms, low water pressure, dirty filters, or a failing wash pump motor. Clean spray arms and ensure proper detergent use.
Why is the wash motor not running?
This may be caused by motor failure, wiring issues, or control board faults. Inspect wiring connections and check for obstructions in the pump assembly.
Why is my Whirlpool dishwasher not heating water?
Heating issues may be caused by a faulty heating element, thermal fuse, temperature sensor failure, or control board malfunction. Test heating components for continuity.
Why are dishes still wet after a cycle?
Drying issues may be caused by a failed heating element, rinse aid shortage, or ventilation problems. Ensure rinse aid dispenser is filled and functioning.
Why is my Whirlpool dishwasher leaking water?
Leaks may come from door seals, hose connections, detergent overflow, or pump housing cracks. Inspect all seals and tighten any loose fittings.
Why is overflow protection activated?
Overflow protection is triggered when excess water is detected in the base tray. Check float switch operation, inlet valve, and possible leaks inside the unit.
Why does my Whirlpool dishwasher show sensor errors?
Sensor errors may be caused by faulty turbidity sensors, temperature sensors, wiring issues, or control board communication faults. Inspect connectors and restart the unit.
Why is the wash cycle not detecting soil level correctly?
This may be due to a dirty turbidity sensor, hard water buildup, or sensor calibration issues. Clean the sensor area and run a maintenance cycle.
Why does my Whirlpool dishwasher keep restarting or losing power?
This may be caused by unstable voltage, loose wiring, faulty outlet, or control board issues. Avoid extension cords and ensure stable power supply.
Why does my dishwasher show a general system error?
General errors usually indicate temporary control board glitches or communication failures between components. A full reset often resolves the issue.
How do I reset Whirlpool dishwasher system messages?
Turn off the dishwasher, unplug it or switch off power for 5–10 minutes, then restart. This clears temporary faults and resets the control system.
When should I service my Whirlpool dishwasher?
Service is recommended if cleaning performance drops, drainage fails repeatedly, leaks continue, error codes persist, or the unit stops mid-cycle.
Important: Whirlpool dishwasher system messages are designed to protect key components such as the wash pump, drain system, heating element, water inlet valve, spray arms, sensors, door latch, and control board. If issues continue after troubleshooting, disconnect power and contact a qualified appliance technician.