Product

Devices with a Thermal 1.X head

Error

• 17742 HEAD: shutdown of thermal head due to temperature or humidity alarm
• 17743 HEAD: thermal head humidity alarm, < humidity > percent

Symptoms

You experience one or more of the temperature or humidity errors listed above.

Cause

The temperature and/or humidity level in the head exceeds the setting for the nvs parameters. For more detail on temperature and humidity settings, see TH1.X Temperature and Humidity FAQ.

Solution

1. Check the humidity level of the head, Type >>head status.
2. Examine the DHU system to ensure that it has adequate airflow and a clean filter.
3. Check that >>set head humidity is set to 30%.
   Note: If you have to adjust this value to keep a customer running, make sure there is follow up scheduled to have the DHU adjusted to bring the humidity back down to the normal range of 5 to 20%.

See also

TH1.X Temperature and Humidity FAQ

Technical contact(s)

Jeff Edgar

Submitted by

Jeff Edgar

Date submitted

07 Jun 2007