Manual

TB6575/TB8575 SUITEPRO™ DIGITAL FAN COIL THERMOSTATS
19 62-0278—05
Remote Setback does
not activate
Incorrect IS code. Make sure the NO/NC and timer selection is correct. Check the
value selected for IS code #19.
Remote setpoint error. Make sure the remote setback setpoint is correct for energy saving
usage.
Activity Sensing does
not exit when button
pressed
All buttons are locked. Make sure keypad lockout is disabled. Set IS code #18, value = 0.
Freeze Protection
does not activate
System Type is set to
Cool.
Freeze protection is not activated when system type is Cool (IS
code #2; value = 1). Change System Type.
System mode is not Off. Set the System mode button to Off.
Auto Fan Reset does
not activate
Incorrect IS code. Set the Installer Setup code #24 to Enabled (value = 1 or 2).
Calling for Heat/Cool
setpoint couldn't be
satisfied.
Only after the setpoint is satisfied, will the auto fan reset timer
activate.
Table 8. Troubleshooting. (Continued)
Symptom Possible Cause Action