CF or CL code appears and some buttons may be locked.

Note: CF/CL is typically a control lock status, not a hardware failure.

• Unlock panel: Press and hold the designated lock/unlock button or button combination (often Temperature Up + Down) for 3–5 seconds until the lock icon or code disappears. Refer to the Aquavia user manual for the exact sequence.
• Prevent reactivation: Avoid resting objects on the keypad and keep the panel dry to prevent accidental activation.