Honeywell T812A1002 User Guide - Page 12

T8131A,B,C; T8132A,B,C TROUBLESHOOTING • CROSS REFERENCE Cooling will not come on (Continued). SYSTEM ON indicator is lit, but no heat is coming from the registers. Furnace or air conditioner cycles too frequently. The system on-length is too short or too long. The thermostat current setting does not match the display temperature. After ten minutes, return switch to COOL position. If air conditioner comes on, compressor may have reached its high limit temperature protection and shut down. If air conditioner does not come on after the ten minutes and the SYSTEM ON indicator is lit, see air conditioner manufacturer instructions. • Allow time for the furnace to heat up and the fan to come on before checking for heat at the register. Check to make sure system onlength is set correctly according to instructions on page 6. • Check system setting on back of thermostat. • Readjust according to instructions on page 6. • Check that the wiring hole in the wall behind the wallplate has been plugged with insulation to prevent drafts that might adversely affect thermostat operation. • Be aware that it is normal for the current setting and display temperature to differ occasionally. Cross Reference T8131/T8132 CROSS REFERENCE CHART. Model Number Description T8131/T8132 Trade Replacement Remarks T8131 models: C1004 Honeywell logo; TRADELINE® model. T8131C1004 C1012 Honeywell logo; TRADELINE® model; T8131C1012 Premier White™. T8132 models: A1007 Honeywell logo; Honeywell Canada TRADELINE® model; configurable for °F/°C. T8132C1003 °F only. T8132C1011 Replacement is Premier White™, °F only. A1015 Carrier Weathermaker logo; Carrier part T8132C1003 no. HH07AX017; Fixed 6CPH. T8132C1011 Replacement is Premier White™. A1023 Enerplus logo; configurable for °F/°C. T8132C1003 °F only. T8132C1011 Replacement is Premier White™; °F only. B1005 Zone Perfect logo; Carrier part no. HH07AX016; Fixed 6 CPH. T8132C1003 Replacement has a keyboard door. C1003 Honeywell logo; TRADELINE® model. T8132C1011 T8132C1003 Replacement has a keyboard door and is Premier White™. C1011 Honeywell logo; TRADELINE® model; T8132C1011 Premier White™. Home and Building Control Honeywell Inc. 1985 Douglas Drive North Golden Valley, MN 55422 6Pr8in-t0e1d4in8U-.S1.A. Home and Building Control Honeywell Limited-Honeywell Limitée 740 Ellesmere Road Scarborough, Ontario M1P 2V9 12 Helping You Control Your World QUALITY IS KEY