TH109PLUS
9
In case of difficulty
PROBLEM SOLUTIONS
Thermostat is hot.
This is normal unless the thermostat is too hot
to touch. Ensure that the heater capacity does
not exceed the thermostat’s maximum load.
Wrong temperature is
displayed.
Avoid any of the following conditions:
• The thermostat is exposed to an air draft.
• The thermostat is located near or above a
heat source such as a light dimmer.
Display disappears and
reappears after a few
minutes.
The thermal circuit breaker on the heater has
temporarily 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.
Display looks faded
when heating is acti-
vated.
The heater capacity is probably less than the
thermostat minimum load requirement. The
thermostat cannot be used below that rating.
400-109-005-A (Calypso) ENG.fm Page 9 Monday, November 30, 2009 2:36 PM
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