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Error code reference
Sub-Zero Refrigerator Error Code H2 L0
3.8 liters of water dispensed in 15 minutes or dispenser water valve energized for 150 seconds; water dispensing pauses for 45 minutes.
SourceSub-Zero Service Manual: ICBBI-42UFDID: Service Manualp. 160
Diagnostic procedure
The full H2 L0 procedure
Step 1 is visible so you can confirm you are on the right page. The remaining steps, the ones that tell you whether to actually replace a part, unlock with any pass.
MyPros+ · DiagnosticsStep 1 preview
1
First diagnostic step
To bypass the 45-minute dispensing interruption on external dispensers, touch and hold the dispenser light key for five seconds. On internal dispensers, press the water paddle five times in 20 seconds.
SourceSub-Zero Service Manual: ICBBI-42UFDID: Service Manualp. 160
More steps, wiring diagram references, and verified part numbers
Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
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Where this code is documented
1 manual in the MyPros+ library documents this code for Sub-Zero refrigerator.
Models covered by the manuals that document this code
75,000+ service documents · 20,000+ error codes · 100+ brands
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