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RLV4300
19
In case of difficulty
PROBLEM SOLUTIONS
Thermostat’s housing is
hot.
This is normal.
Wrong temperature is dis-
played.
Correct the situation if any of the following 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 with-
out 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 configured 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 over-
heated, or if the thermal circuit breaker is defec-
tive or too sensitive.
69-1918EF-03.book Page 19 Wednesday, March 20, 2013 4:24 PM