Shows when heating is on
Flashes when batteries
need changing
Shows during programming
delays or when Delayed Start
is active
Indicates keyboard is locked
Indicates Holiday Mode is set
Indoor and Outdoor
Temperature
Timed or Manual Mode
Indicates alarm is active
Indicates Frost Mode is set
Temperature up override
3 on and 3 o events per day
2 on and 2 o events per day
1 on and 1 o event per day
Temperature down override
Thermostat (O ) Mode
Extends function
by 1, 2 or 3 hours
Current
temperature
Programmed
temperature
Time
Days of Week
Key to Symbols