Trane XT500C Manual do Utilizador descarregar pdf (Página 61)

Pub. No. 22-5128-02

69-1216

Troubleshooting Guide (continued).

(continued)

Symptom Possible Cause Action

Heating does not come

on.

No power to the thermostat.

System selection is not set to Heat.

Heating setpoint is below room

temperature.

Check that setpoint is above room temperature.

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 On position.

If 24 Vac is present, proceed with troubleshooting.

Wait five minutes for the system to respond (thermostat

displays Wait).

Set system selection to Heat.

Cooling does not come

on.

No power to the thermostat.

System selection is not set to Cool.

Cooling setpoint is above room

temperature.

Check that setpoint is below room temperature.

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 On position.

If 24 Vac is present, proceed with troubleshooting.

Wait five minutes for the system to respond (thermostat

displays Wait).

Set system selection to Cool.

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Trane XT500C Manual do Utilizador Página 61