Error code
Range error code F20
Dacor range error code F20: The best code in this table, because it names a cable rather than a board. Which machines can raise it, what the maker publishes about it, and what to do next.
- From $95 diagnostic, credited to the repair
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- OEM parts available on order
- In writing the price, before anything is opened
What we can confirm
Code F20, from the manufacturer's own documentation
A code is only meaningful together with the machine showing it — the same digits mean different things on different equipment.
The code
F20
The best code in this table, because it names a cable rather than a board. Ribbon cables work loose over years of heat cycling, and connectors corrode in a coastal kitchen; both produce a range that behaves erratically before it fails outright. It is one of the cheapest repairs on the platform and one of the most satisfying, and it is worth checking before anybody quotes for a panel.
or call (305) 363-6067
What it narrows down to
The data cable between the relay board and the control panel is loose or defective.
Diagnostic
From $95, credited to the repair
On the same appliance
What else belongs to the ranges
On this make a code belongs to the appliance rather than to a product line. These are the other conditions this machine can display, and the models that can show this one — a display often has more than one thing to say, and the model number decides what any of it costs to put right.
Other codes this appliance can display
Shorted or jammed input device — a shorted wire or a failed membrane switch.
System watchdog circuit — the ERC's own self-diagnostic found a bake or broil system failure.
Heating mode high temperature — the control detected a runaway heat condition.
Shorted oven temperature sensor.
Open oven temperature sensor circuit.
ERC self-diagnostic failure — the control has failed its own test.
EEPROM checksum error — the control's stored settings no longer verify.
Door lock enabled above temperature — the clean-lock or phase circuit is faulty.
Door locking switch — the motor ran for two minutes without the phase switch changing state.
General internal problem reported by the range control.
Communication problem between the control panel and the relay board.
General external problem — the control has detected a problem outside itself.
The same digits mean different things on different equipment. Search the full code list
In more detail
About Range error code F20
What F20 means on this make
The best code in this table, because it names a cable rather than a board. Ribbon cables work loose over years of heat cycling, and connectors corrode in a coastal kitchen; both produce a range that behaves erratically before it fails outright. It is one of the cheapest repairs on the platform and one of the most satisfying, and it is worth checking before anybody quotes for a panel.
Where this appears, and which table it belongs to
On the appliance's own display. Photograph it before you cut the power: a display that has been cleared has taken the evidence with it, and there is no way to ask the machine for it again. Then check the model, because this make changed hands in 2016 and the two generations share no code string. The same characters mean different things on a Classic ERC oven, an ER-series range and a Modernist induction cooktop, and a meaning read off the wrong table is worse than no meaning at all.
Which machines this one applies to
ER30D, ER36D and ER48D ranges. The same number on a different appliance of this make is a different page and often a different repair, which is why this archive is organized by appliance rather than by number. This maker documents codes on 5 of the appliance types this site publishes — coffee machine, cooktop, dishwasher, oven and range — and publishes none at all for freezer, microwave, range hood, refrigerator and wine cooler. Those appliances have symptom pages here and no code pages, which is the honest answer rather than borrowing a table from the machine next door.
What to do about it
- Power down at the breaker before anything is touched behind the panel.
- The connectors at both ends are inspected for corrosion, not just reseated.
- A cable that looks sound is still measured — a broken conductor inside the sheath looks perfect.
- If a panel has been quoted for this code, ask whether the cable was checked first.
Where this goes next
The job this usually becomes is legacy control diagnosis, and that page carries a starting figure and the reasons that move it. If it turns out to be nothing — and on this make a real share of these are modes, reminders and settings rather than problems — the visit ends there and you pay the diagnostic and nothing else, or call (305) 363-6067 and describe what the panel is doing before booking anything.
This article is based on:
- Official manufacturer documentation
- Internal repair procedures
- Technician repair history
- Company quality standards