What to do for Alarm High [1,2,3,4] on a Watlow Controller?
- CchristopherjohnsonSep 10, 2025
If your Watlow Controller displays 'Alarm High [1,2,3,4]', it indicates that the temperature is greater than the alarm set point. To address this: * Check the cause of the over temperature. * Clear any latched alarms. * Establish the correct alarm set point. * Set the alarm source to the proper setting.