Program Override Commands
HOLD – indicates thermostat is in manual operation. (Programmed settings are off, but not lost.)
HOLD HRS – during programming, lights up in conjunction with clock digits; allows program to be
put on hold for up to 24 hours.
HOLD DAYS – during programming, lights up in conjunction with the clock digits; allows program
to be put on hold for up to 99 days.
HOLD ON – indicates thermostat is in permanent manual operation.
OFF – turns off the hold and resumes programmed settings.
Service Indicator
The wrench symbol is displayed when there is a temperature sensor error or condensate overow
error. It indicates there is an open or a short connection to the sensor switch. When this occurs,
the thermostat will disable all outputs and illuminate the wrench symbol. A service technician
should be called to determine the cause of the error.
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