53
5. My heating or cooling will not turn on or off.
5 a. Check the Heat/Cool function switch to ensure it is set to
the desired position.
5 b. Wait. There may be as much as a 4-minute delay before
the system turns on or off to protect the compressor.
5 c. Check the circuit breakers and switches to ensure there
is enough power to the system.
5 d. Replace the batteries.
5 e. If applicable, make sure the furnace blower door is
closed properly.
5 f. If your system has 4 wires, ensure the jumper wire is
installed between the RC and RH terminals.
....................................................................................
6. The display will come on, but it will not stay
illuminated.
6 a. Replace batteries.
TrouBlEShooTing
Summary of Contents for 44156
Page 2: ...2...
Page 8: ...8 Y RC G W Y RC G W...
Page 12: ...12 W R C Y G...
Page 14: ...14 W R C Y G...
Page 16: ...16 G RCRHY 0W B R C G Y1 Y 0 W B Y 1 Terminal Shield...
Page 20: ...20 1 2 Tab...
Page 22: ...22 reset...
Page 24: ...24 day time AM PM...
Page 26: ...26 AM HEAT 4 T...
Page 28: ...28 AM HEAT 2 TH...
Page 30: ...30 hold return system off heat cool HOLD...
Page 34: ...34 AM PM program hold return system off heat cool...
Page 36: ...36 AM PM HEAT COOL SA 2 1 3 4 SU M T W TH F program hold return system off heat cool...
Page 38: ...38 FILTER filter...
Page 40: ...40 HEAT COOL system off heat cool reset...
Page 42: ...42 PM COOL 4 M STAGE 1 STAGE 2...
Page 44: ...44 hold return...
Page 46: ...46...
Page 49: ...49 wiring Diagrams...
Page 50: ...50 wiring Diagrams CONT...
Page 51: ...51 wiring Diagrams CONT...