Unox WC01 Error Code
Hood temperature probe warning.
Source: Unox/Unox_XACC-0513-EPLM_ServiceManualAll_CommercialKitchen.pdf
What does Unox WC01 mean?
WC01 is a temperature probe warning on the hood accessory. The hood's temperature probe is reading abnormally or is disconnected. Because it relates to a peripheral accessory, the oven can still be used while the hood function is impaired and the warning is shown.
Symptoms
- WC01 warning referencing the hood
- Hood temperature reading abnormal
- Hood function impaired while the oven still runs
- Warning recurs during operation
Common causes
- Hood temperature probe disconnected
- Probe out of range or failed
- Wiring fault between the probe and the hood board
- Connector problem
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Diagnostic steps
Power down and check the probe
Turn off power and confirm the hood temperature probe is connected.
Measure the probe
Measure the hood probe with a multimeter to check it is within range.
Check the wiring
Inspect the wiring between the probe and the hood board.
Replace the probe
Replace the hood temperature probe if it is out of specification and retest.
When to call a professional
WC01 affects the hood accessory and the oven can still be used. Confirming the probe and wiring requires accessing the hood electronics; have a qualified Unox technician verify and replace the probe if reconnecting it does not clear the warning.
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Other Unox Error Codes
Motor thermal protection alarm (permanent error) — the fan motor's thermal protection has tripped.
Safety thermostat alarm — the chamber safety thermostat has tripped above its limit.
Temperature probes alarm — a cooking chamber temperature probe is damaged or disconnected.
Communication error with the power board — the control board lost communication with the power board.
Gas alarm — a fault in the gas burner/ignition system (split into multiple AF23 conditions on later software).
Wrong position of Pollo valve.
Trolley is missing.
Tank missing or safety thermostat fault.
Chamber ceiling temperature too high.
Chamber over-temperature condition (Case 1: T > 150 °C / 302 °F; Case 2: T < 150 °C).
Single-point or multi-point core probe completely damaged.
Chamber temperature probe warning.