9
Troubleshooting
Problem Solution(s)
Thermostat’s
housing is hot.
This condition is normal. Ensure that the heater capacity does not exceed the
thermostat’s maximum load.
Wrong temperature
is displayed.
Correct it if any of the following situations exists:
• The thermostat is exposed to an air draft.
• The sticker on the thermostat’s screen has not been removed.
• The thermostat is located near or above a heat source such as a light dimmer
Wrong time is
displayed.
The time is not yet set or the thermostat was without power for more than 5
hours.
Temperature
does not change
according to the
programmed
schedule.
• Ensure the thermostat is in Automatic mode.
• Check the clock and the schedule. If the thermostat is congured for
12-hour format, ensure that PM appears on the screen when afternoon times
are displayed.
LP appears on the
screen or the screen
is blank despite
there is no power
outage.
The thermal circuit breaker in the heater is opened. This can happen if the
heater is obstructed by furniture or curtain and has overheated, or if the
thermal circuit breaker is defective or too sensitive.
Specifications
Supply: 120/240 VAC, 60 Hz
Minimum load: 1.25 A (resistive only)
150 W @ 120 V AC
300 W @ 240 V AC
Maximum load: 12.5 A (resistive only)
1500 W @ 140 V AC
3000 W @ 240 V AC
Display range: 0 °C to 50.0 °C (32 °F to 99 °F)
Setpoint range: 5.0 °C to 27.0 °C (41 °F to 81 °F)
Resolution: 0.5 °C (1 °F)
Storage temperature: -20.0 °C to 50.0 °C (-4 °F to 120 °F)
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