Unit makes gurgling or hissing noises periodically.

Safety: No repair is usually required for these sounds.

• Identify sound source: Gurgling and hissing from inside the cabinet or rear tubing during compressor operation is typically normal.
• Check performance: If temperatures are stable and no error codes are present, consider the noise normal operation.
• Secure tubing: If the noise is amplified by tubing touching the cabinet, gently reposition the lines away from panels.