Trane Master Scheduler Owner's Manual page 28

O
T
THER roubleshooting.
F :
EATURES
T -
ROUBLE
SHOOTING
2 6
The LCD says the Outdoor Temperature
is -14°F or below.
• The system is not connected to an
outdoor sensor.
The green light stops flashing.
• Be sure that the Master Scheduler
is properly plugged into its
subbase.
• Call a technician.
Whenever unwanted words appear on
the LCD.
• Pressing EXIT will usually return
the LCD to its normal display.