Frigidaire Dishwasher: motor failure
What is this symptom?
Experiencing a Frigidaire dishwasher motor failure? If your dishwasher isn't running, circulating water, or showing unusual noises like grinding or buzzing, it could indicate a serious issue. This problem often leads to inadequate cleaning, draining issues, or the appliance stopping mid-cycle. Understanding the common causes can help you troubleshoot effectively.
Important Tips for Frigidaire Models
- Motor assembly part (e.g., Frigidaire 155484401) often identified as replacement for models with motor failure symptoms
Possible Causes
Failed or burned‑out motor assembly
How to Identify: Dishwasher won’t circulate water or spray, no sound from motor, grinding/buzzing unusual motor noises, water may remain at bottom; continuity test on motor windings shows open circuit.
Part: Dishwasher motor assembly / circulation pump motor
Faulty motor start/run capacitor
How to Identify: Dishwasher makes humming noise but motor does not start; testing capacitor shows out‑of‑spec capacitance.
Part: Motor start/run capacitor
DIY Solutions
Motor assembly replacement
- Turn off and unplug dishwasher
- Access motor assembly under dishwasher tub
- Disconnect electrical connectors and mounting hardware
- Install replacement motor assembly (match part number) and reassemble
- Restore power and test operation
Test and replace motor start/run capacitor
- Disconnect dishwasher from power
- Locate capacitor near motor assembly
- Test capacitor capacitance against specifications
- Replace capacitor if outside spec
- Reconnect and test dishwasher
Professional Repairs
Professional motor diagnosis and replacement
Control board or thermal fuse replacement
When to Call a Professional
Preventive Maintenance
-
Clean filters and sump area: Debris buildup that can stress motor
Frequency: monthly -
Inspect and clean pump impeller area: Blockages that could cause motor overload
Frequency: every 6 months
Frequently Asked Questions
Why is my Frigidaire Dishwasher motor failure?
How do I fix Frigidaire Dishwasher motor failure myself?
How much does it cost to fix motor failure?
When should I call a technician for motor failure?
Community Analytical Insights
Analysis based on real user discussions from appliance repair communities
Can I Fix This Myself?
Common Issues Reported by Users
- Faulty motor due to wear and tear
- Electrical issues such as a blown fuse or tripped circuit breaker
- Clogged impeller or drain, causing the motor to overheat
User Suggested Solutions
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Inspect the motor for visible damage or wear. If damaged, replace with an OEM motor. Ensure the dishwasher is unplugged before starting. Remove the lower spray arm, cover, and disconnect the motor wiring. Install the new motor and reassemble the parts.
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Check the electrical connections to the motor. If there are any frayed wires or loose connections, repair or replace them. Test the circuit breaker and replace any blown fuses.
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Clear any clogs in the impeller or drain. Remove the lower spray arm and check for debris. Clean out any blockages and reassemble the dishwasher.
Analysis based on 1 community discussions
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Sources
Data compiled from real discussions on r/appliancerepair and r/Appliances:
Community Discussions
motor has gone bad
Recommended to order OEM parts from reputable online companies.
Source: Reddit r/appliancerepair
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