Unox WF16 Error Code
Lack of water (or valve EL1 fault).
Source: Unox/Unox_XACC-0513-EPLM_ServiceManualAll_CommercialKitchen.pdf
What does Unox WF16 mean?
WF16 is a lack-of-water warning associated with water valve EL1. The oven is not receiving the water it expects for steam or cleaning functions, either because of the supply or because valve EL1 is not delivering water. As a warning the oven continues with limited function while flagging the water problem.
Symptoms
- WF16 warning on the control panel
- No or insufficient steam during cooking
- Water-dependent functions not working
- Warning recurs when steam or wash is requested
Common causes
- Water supply turned off or low pressure
- Clogged water filter or inlet
- Water valve EL1 stuck closed or faulty
- Wiring fault to valve EL1
- Kinked or blocked water line
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Diagnostic steps
Check the water supply
Confirm the water tap is open and at adequate pressure to the oven.
Inspect filters and lines
Check the inlet filter and water line for blockage or kinks and clear as needed.
Test valve EL1
With power off, verify water valve EL1 operates and is not stuck closed; check its electrical supply when energised.
Repair wiring or replace valve
Restore any faulty wiring to EL1 and replace the valve if it does not open on command.
When to call a professional
WF16 often starts with a simple supply or filter check the operator can do. If water is present and EL1 still does not deliver, testing and replacing the solenoid valve involves electrical and plumbing work for a qualified Unox technician.
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Chamber temperature probe warning.