Instruction manual
24
Problem Solution
LCD screen is blank • Check if the circuit breaker is open
• Check if there has been a power failure
• Check that the thermostat is wired to a 500 W or greater circuit
• Check the wiring installation with a certied electrician
• Press the RESET button under the faceplate
Programming Issues:
Heating is not being
activated at the
programmed times.
• Review the programming guide to ensure the programs have been entered correctly
• Check that the clock has been set to the correct time. (e.g. a.m./p.m. interchanged)
• Check if there has been a power failure
• Reset programs/all settings (Page 19)
• Check if Temporary Override/Hold Function is being used (Page 20)
The heating system
does not activate
• Check the thermostat LCD screen to see if there has been a power failure
• Check if the circuit breaker is open
• Check heating device to see if it is disabled.
• Check the wiring installation with a certied electrician
The heating system is
running constantly
• Check if the temperature is set too high
• Check the wiring installation with a certied electrician
The temperature
display is incorrect
• Ensure thermostat is not installed near a draft, in direct sunlight or near heat-
generating devices such as air-conditioners or heaters
Heating system seems
to cycle too often
• Check and ensure that you have selected a Cycle Rate that matches your
particular heating system (Page 12-13)
The thermostat feels
HOT to the touch
• The normal surface temperature of the thermostat is 45ºC-55ºC (113ºF-131ºF)
while in operation. This is perfectly normal, as this thermostat is rated to
operate safely at these temperatures. However, it is recommended that the thermostat
should not be installed near heat sensitive/ammable materials or other re hazards.
Supplementary Information
Troubleshooting