14
69-1437EF
Troubleshooting Guide
(continued)
Symptom
Action
Display does not come on.
•
Check if the thermostat is mounted and latched on the
wallplate—mount and latch the thermostat on the
wallplate.
•
Check if the circuit breaker is tripped—reset the circuit
breaker.
•
Check if the fuse is blown—replace the fuse.
•
Check if the switch at the equipment is in the Off
position—set to the On position.
Temperature settings do not
change (Example: cannot set the
heating higher or the cooling lower).
•
Check that the temperature setpoints are: between 4 to
37
°
C (40 to 99
°
F ).
