ℹ
info Honeywell
Status TEMPORARY indicator
Indicates that temperature has been temporarily changed for the current period only. The setting cancels itself at the next scheduled change.
? What Causes This
User pressed the Temporarily Change temperature function.
ⓘ What This Means
Temperature will automatically return to normal at the next scheduled change, or press Run Program key to cancel sooner.
Source: page 16 of the official manual
From the manual
This error code appears in:
Honeywell CT3355 Home Programmable Thermostat