Official GE Appliances support page for H2O Supply in the GE Front Load Washer H2O Supply support scope scope. Pelledor links to the source and extracts only safe first checks.
Pelledor links to the official GE Appliances support page and does not host a redistributed copy.
Useful sections
H2O Supply Error
Codes in this document
H2O Supply
Maintenance procedures
Confirm the display reads H2O Supply.
Make sure the water supply to the washer is turned on.
Do not interrupt the washer if it is running the drain pump to prevent potential overfill.
Warnings
Use the exact model manual and GE Appliances service channels when the official safe steps do not clear the code.
Other revisions
No alternate revision has been attached yet.
Source-backed notes
Washer - H2O Supply Error
GE Appliances documents H2O Supply on front-load washers as related to pressure sensor issue or water supply valves being off, with service recommended if supply is confirmed on.