Error Code
high
Unox BAKERLUX SHOP.Pro – Contactors are Chattering
On your BAKERLUX SHOP.Pro unit, chattering contactors typically indicate an unstable power…
Unox BAKERLUX SHOP.Pro - Error WC07: HOOD - Lack of Communication
Critical / Stop Operation
Warning: The information provided here is for educational purposes only.
Working with commercial kitchen equipment involves high voltage, gas, and high temperatures.
We strongly recommend contacting a certified service technician for any repairs.
We are not responsible for any damage or injuries resulting from DIY repair attempts.
This information is provided 'as is' without any guarantees of completeness or accuracy.
TLDR
On your BAKERLUX SHOP.Pro unit, error code WC07 indicates a critical communication failure between the oven's main power board and the hood's power board. This issue often stems from a faulty connection cable, a defective hood power board, or a problem with the oven's main power board. Promptly diagnose and address the communication link to ensure safe and full operational functionality.
Technical Details
Repair Steps:
- Inspect and Re-seat Communication Cable: Begin by powering down the UNOX BAKERLUX SHOP.Pro unit. Locate the communication cable that connects the oven power board (typically at sockets P9, P10, P11, or P12) to the hood power board (sockets P5 or P6). Disconnect and then securely re-connect this cable, ensuring it is firmly seated. If possible, try connecting the cable to a different available socket on both the oven and hood power boards. Power the unit back on and check if the WC07 alarm persists.
- Replace Communication Cable: If re-seating the cable and trying different sockets does not resolve the WC07 error, the communication cable itself may be faulty. Power down the unit and replace the existing communication cable with a new, genuine UNOX connection cable. Ensure all connections are secure. Power the unit back on and verify if the error code has cleared.
- Replace Hood Power Board: Should the WC07 error continue after replacing the communication cable, the next step is to replace the hood power board. Power down the oven, carefully disconnect all wiring from the existing hood power board, and install the new genuine UNOX replacement board. Reconnect all wires precisely, power on the unit, and check if the communication error is resolved.
- Replace Oven Power Board (If Necessary): If replacing the hood power board does not eliminate the WC07 alarm, first re-install the original (or newly tested) hood power board. Then, the issue likely lies with the oven power board (main power board). Power down the unit, replace the oven power board with a new genuine UNOX part, ensuring all connections are correctly made. This is a more involved replacement; proceed with caution or consult a certified technician. Power cycle and test the unit for complete functionality after this replacement.
Common Questions:
Q: What does the WC07 error code specifically mean on my UNOX BAKERLUX SHOP.Pro?
A: WC07 indicates a “lack of communication” between the oven’s main power board and the dedicated power board for the oven hood. This essential communication is vital for proper ventilation and overall system function.
Q: Can I continue to use my oven with a WC07 error?
A: It is strongly advised not to operate your UNOX BAKERLUX SHOP.Pro oven with a WC07 error. A communication breakdown with the hood can lead to improper ventilation, potential safety hazards from steam or fumes, and may prevent cooking operations altogether.
Q: How can I prevent the WC07 error from reoccurring after repair?
A: To minimize recurrence, ensure all cable connections are secure and free from physical damage during routine maintenance. Use only genuine UNOX replacement parts for boards and cables, and consider professional preventative maintenance checks on your electrical connections.
When to call a technician
For this error, we recommend calling a certified technician. Do not continue operation or attempt repair yourself.
- Equipment shows a critical or stop-operation fault.
- You smell gas, burning, or see smoke or sparks.
- Error returns after following the steps above.
- You are not trained to work on this equipment.
- Warranty or safety could be affected by DIY repair.