Sub-Zero refrigerator
showing 20 2 00
The control board reads the freezer defrost heater circuit as open.
Mon–Sat, 8am–8pm
- Defrost
- Defrost system repair
- Source: Sub-Zero
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Three short steps, about a minute.
or call (844) 681-4650
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What 20 2 00
actually means.
The control board reads the freezer defrost heater circuit as open. Sub-Zero gives the cause as the defrost bi-metal being stuck open. That is a part in the defrost circuit, so the freezer's defrost cycle is what is affected.
Sub-Zero refrigerator display
What to do when 20 2 00 shows on the refrigeratorKind of codeDefrost
The defrost cycle did not finish in the time the board allows. A heater, its thermostat or the sensor that ends the cycle.
Usually leads toDefrost system repair
The failure behind most slow, gradual losses of cooling — and behind most visible frost.
Shows up asFrost Building Up in the Refrigerator
Ice on the back wall, around the door, or over the whole freezer — and each location means something different.
MakeSub-Zero
Built-in and column refrigeration with dual sealed systems, serviced from the front and worth repairing far up the cost curve.
SourceSub-Zero support: Classic Built In Series Error Code 20 2 00
Classic Series (BI).
Before you book,
in this order.
Each step comes from Sub-Zero's own guidance for 20 2 00 on its refrigerators. Follow it to the end: the last card says whether this is a visit.
Turn off the breaker for 30 seconds, then turn it back on.
Check whether the code comes back once the unit is running again.
If it does, book a service visit and give them the full three-part code.
What not to do
It does not mean the compressor or the sealed system has failed. The problem is in the defrost circuit.
What you may
notice with it.
The refrigerator problems 20 2 00 tends to arrive with. Answer these at the refrigerator before anyone is booked.
All problems
Where 20 2 00 usually leads
Defrost system repair.
Read these
before the visit.
Short guides that make the call quicker and the diagnosis cheaper.
All guidesSub-Zero
refrigerators.
Built-in and column refrigeration with dual sealed systems, serviced from the front and worth repairing far up the cost curve.
Sub-Zero refrigerator repair
Built-in refrigerator
Flush with the cabinets, serviced from the front, and almost always repaired rather than replaced.
Refrigerator column
Separate refrigerator and freezer towers, each with its own sealed system — so a failure stays on one side.
Side-by-side refrigerator
Full-height freezer beside full-height fresh food, with the ice maker and dispenser built into the freezer door.
In Sub-Zero's own words
Freezer defrost heater open Cause: Defrost bi-metal stuck open
Every code on this site is taken from the manufacturer's documentation, never from a forum or a parts listing. Classic Series (BI).
Sub-Zero 20 2 00 refrigerator repair,
where we come out.
The same visit in every metro below: the code, the model number, and a diagnosis before any part is ordered.
All service areasTampa BayFL · 31 areas
Miami / South FloridaFL · 47 areas
New York MetroNY · 75 areas
HoustonTX · 36 areas
ChicagoIL · 50 areas
Los AngelesCA · 95 areas
San DiegoCA · 31 areas
Questions
about 20 2 00.
Can I clear 20 2 00 myself?
Is Sub-Zero 20 2 00 a compressor problem?
What happens if I ignore 20 2 00 on my Sub-Zero?
Back to your everyday
Still showing 20 2 00?
Book with the exact characters, the full model number, and whether it is still cooling — on a code, that is the whole starting point.