Basic Troubleshooting - Robertshaw Smart Sense SMART 1000 Installation Manual

BASIC TROUBLESHOOTING

SYMPTOM
No LCD display
Thermostat can not
be set for auto changeover operation or Heat/Auto/Cool/Emergency Heat/Off for heat pumps.
Temperature display
inaccurate
Thermostat not displaying
outdoor temperature
POSSIBLE FAULT AND REMEDY
If the thermostat is battery powered only, remove the battery
compartment and check to see that the positive (+) and negative (-)
ends of each battery are oriented properly. Also make sure that the
thermostat is securely attached to the subbase with no exposed
gaps.
Installer Option 03 needs to be set to 0 to provide Heat/Auto/Cool/Off
03 = 1 Manual Changeover (Heat/Cool/Off)
03 = 2 Heat Only (Heat/Off)
03 = 3 Cool Only (Cool/Off)
Air from wall cavity may be leaking into the rear of the thermostat.
Seal hole where wiring enters subbase to prevent air infiltration.
External influence from appliances, lighting or drafts may be affecting
temperature accuracy. Move lamps or other sources of heat away
from thermostat.
Check wiring at outdoor sensor and sensor terminals on subbase.
Outdoor sensor wires to terminals S2 and SC.
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