MrCool MST03 - Page 77

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Symptom Possible Cause Action
Heating or cooling
does not come on.
Thermostat minimum
off-time is activated.
Wait up to five minutes for the
system to respond.
Sy stem selection is not set
to Heat or Cool.
Set system selection to correct
position.
System type selection is
incorrect.
Check Installer Setup Number
0170 and make sure correct
system type is chosen.