72
TROUBLESHOOTING
Symptom
Possible Cause
Action
No LCD d isplay
Thermostat is not being
powered.
Check 24VAC between C and R.
Temperature settings
do not change.
The upper or lower
temperature limits were
reached.
Check temperature set-points.
Check Installer Setup Numbers
0600 or 0610, modify as needed.
The keypad is fully locked.
Check Installer Setup Number
0670 to change keypad locked
options.
Содержание MST03
Страница 1: ...MRCOOL Universal WiFi Thermostat...
Страница 2: ......
Страница 4: ......
Страница 11: ...7 Fig 1 Thermostat Dimensions in inches mm...
Страница 12: ...8 Fig 2 Thermostat back case dimensions in inches mm...
Страница 13: ...9 Fig 3 Thermostat cover plate dimensions in inches mm...
Страница 14: ...10 Fig 4 Selecting thermostat location...
Страница 16: ...12 Fig 5 Mounting wall plate...
Страница 20: ...16 Fig 7 Inserting wires in terminal block IMPORTANT Use 18 gauge thermostat wire...
Страница 35: ...31 Fig 21 Mount thermostat to wall plate...
Страница 48: ...44 OPERATION Fig 23 Thermostat Keys Fan Choose fan mode...
Страница 49: ...45 Fig 24 Thermostat Display...
Страница 64: ...60 Fig 33 Fig 34 4 Press the key on thermostat screen until the flash Fig 35...