F01
Primary Control Board Failure
Seeing F01 on your Maytag Washing Machine display means the appliance self-diagnostic detected "Primary Control Board Failure". Before calling a technician, work through the steps in this guide — the fix is often simpler than you think.
Owner's Summary
Maytag's F01 means the main computer board has detected an internal fault. Try unplugging for 5 minutes first — power surges can cause temporary errors that clear on their own. If F01 returns immediately every time, the board needs replacement.
Symptoms
Maytag washer not responding, random behavior, F01 error displayed
Common Causes
- Power surge damage to main control board
- Failed internal relay on PCB
- Moisture damage to control board
- Loose wiring harness connector at PCB
How to Fix
- 1 Unplug washer for 5 minutes then restore power
- 2 Inspect all connectors at the main control board
- 3 Check for burn marks or swollen capacitors on PCB
- 4 Replace main control board if error persists after reset
Tools You'll Need
Most of these fixes need only basic hand tools. If your repair requires opening electrical housings or testing live components, a multimeter and basic electrical safety knowledge are essential — when in doubt, call a technician.
Technical Explanation
The Maytag CCU performs a memory and I/O self-test during each power-on sequence. F01 is posted when the board detects a RAM checksum error, a stuck relay, or a critical ADC input outside valid range. It cannot be reset by holding buttons — the underlying hardware fault must be addressed.
Is It Safe to Keep Using?
Safe to leave off. Do not force repeated restart attempts.
Technician's Pro Tip
Maytag shares its platform with Whirlpool — the same CCU is often used across both brands. Check for a compatible Whirlpool CCU when sourcing a replacement, as they are often sold at lower prices for equivalent boards.
Related Codes
Frequently Asked Questions
What does error code F01 mean on a Maytag Washing Machine?
Can I fix F01 myself, or do I need a technician?
Is it safe to keep using my washing machine with code F01 showing?
How much does it cost to repair F01 on a Maytag Washing Machine?
Connector reseat: $0; Main control board: $80–$300