21
Problem Solution
The LCD screen is blank or
abnormal
• Make sure the thermostat is fully installed.
• Check that the power supply has been reconnected
at the circuit breaker or fuse.
• If the heater or heating appliance has a power switch
of its own, check to see that it is in the ON position.
The thermostat housing
feels hot to the touch
When working at full capacity, the thermostat housing may
reach a temperature of approx. 45°C to 50°C (113°F to
122°F). This is normal and does not affect the operation of
the thermostat.
The thermostat is rated to operate safely at these tem-
peratures; ensure that the thermostat is not near heat
sensitiveorammablematerialssuchasexposedwood
or wallpaper.
The heating system is con-
stantly running
Make sure the temperature is not set too high.
The heating system seems
to cycle too often
Make sure the selected cycle matches the heating system
(see pages 9 and 10 for details).
Troubleshooting