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Fisher & Paykel·Dishwashermedium severity
Fisher & Paykel Dishwasher Error Code A1
Heater not reaching temperature
Common Causes
- 1Open heater element in the drawer base
- 2Failed heater relay on the control module
- 3Thermistor misreading temperature
- 4Poor heater terminal connection
Step-by-Step Troubleshooting
- 1
Test the base heater element for continuity — a healthy element reads roughly 15-30 ohms
- 2
A reading of OL or infinite confirms an open element that must be replaced
- 3
Inspect the heater terminal connections for corrosion or a loose spade
- 4
Confirm the thermistor is reading a plausible temperature so the control is not shutting heat early
- 5
A1 is the most common A-code, so start at the element before suspecting the board
Pro Diagnostic Tip
A1 is the most common heater alarm. Test the base element for continuity first — 15-30 ohms is healthy, OL or infinite is an open element. Poor drying and cold-water washing usually accompany A1.
You Might Also Notice
- •Dishes not drying
- •Wash water staying cold
- •Cycle running longer than usual
- •Poor cleaning results
Parts, Cost & Difficulty
Repair Difficulty
Hard — Advanced Skills RequiredEstimated Repair Cost
$180–$380
Parts + labor. Free diagnosis with repair.
Parts That May Need Replacement
Heater elementDrawer control module
Do You Have the Right Tools?
Bearing puller set ($120), drum spider wrench ($85), multimeter ($85), and diagnostic software. Our technician arrives with $3,000+ in professional tools — your diagnostic is free.
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High-voltage components and pressurized water lines create flood and shock risk. A single loose fitting can cause thousands in water damage. Our techs are licensed and insured — let them handle the risk.
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Don't let error code A1 disrupt your day. A professional diagnosis takes about 30 minutes — and it's free when you proceed with the repair.
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Frequently Asked Questions
What does Fisher & Paykel error code A1 mean?
Fisher & Paykel error code A1 indicates: Heater not reaching temperature. This is a medium-severity issue affecting your dishwasher.
How do I fix Fisher & Paykel error code A1?
Test the base heater element for continuity — a healthy element reads roughly 15-30 ohms Then, A reading of OL or infinite confirms an open element that must be replaced Then, Inspect the heater terminal connections for corrosion or a loose spade There are 2 more steps — see the full troubleshooting guide above. This repair typically requires professional tools and expertise.
How do I know if my dishwasher has error A1?
Besides the error code on the display, common signs include: Dishes not drying; Wash water staying cold; Cycle running longer than usual. If you notice any of these symptoms, check your dishwasher's display panel for error code A1.
How much does it cost to fix Fisher & Paykel A1?
Repair costs for Fisher & Paykel A1 typically range from $180 to $380 depending on the specific cause and parts needed. EasyBear offers free diagnosis when you proceed with the repair. Call (415) 795-7300 for a same-day appointment.
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