Trane TAYSTAT 540 Manuel d'utilisateur télécharger pdf (Page 22)

22

Pub. No. 22-5185-01

69-1229

Symptom Possible Cause Action

Heating will not

come on.

No power to the

thermostat.

System selection is

not set to Heat.

Heating setpoint is

below room

temperature.

Check that the setpoint is above room

temperature–reset temperature or wait for

room temperature to fall.

Check if the circuit breaker is tripped–reset

the circuit breaker.

Check if the fuse is blown–replace the fuse.

Check if the system switch at the equipment

is in the Off position–set to Heat position.

Wait five minutes for the system to respond.

Cooling will not

come on.

No power to the

thermostat.

System selection is

not set to Cool.

Cooling setpoint is

above room

temperature.

Check that the setpoint is below room

temperature–reset temperature or wait for

room temperature to rise.

Check if the circuit breaker is tripped–reset

the circuit breaker.

Check if the fuse is blown–replace the fuse.

Check if the system switch at the equipment

is in the Off position–set to Cool position.

Wait five minutes for the system to respond.

Troubleshooting (Contiuned)

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