• ''Warning x'': Any other warning that appears at power-on is identified using
a numeric code. Restart the meter. If the problem persists, contact the HANNA
service center. Some meter/probe features can be accessed but with no guar-
antee.
• ''Errors x'': Any critical errors that appear are identified using a numeric code,
and the meter is automatically switched off. Contact the HANNA service cen-
ter.
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