Troubleshooting

Table 37. Condensate pump does not energize

Probable cause

Explanation

 

 

Random restart timer

All controller outputs remain off until the timer expires.

 

 

Selected mode OFF

When off is selected at the display to the controller, the unit controls all outputs off.

 

 

No power to controller

If the controller does not have power, the compressor does not operate. For the controller to operate normally, it

 

must have an input voltage of 115 or 230/208, 265 VAC.

 

 

Manual output test

The controller includes a manual output test sequence you can use to verify output operation and associated output

 

wiring. However, based on the current step in the test sequence, the condensate Pump may not be enabled. Refer to

 

the Manual Output Test section.

 

 

Unit wiring

The wiring between the controller output and the Condensate Pump must be present and correct for normal

 

operation.

 

 

Normal operation

Condensate Pump is available only with Heat Pumps. Unit is in active defrost, or outdoor temperature is below enable

 

point.

 

 

Unit wiring

The wiring between the controller outputs and the fan relays and contacts must be present and correct for normal

 

condensate pump operation.

 

 

Defrost Cycle

During the active defrost cycle the condensate pump power is removed. See the section on defrost control.

 

 

Table 38. Output on when the mode is off

Probable cause

Explanation

 

 

Fan Configuration

Fan is configured to run on high in off mode (see configuration section).

 

 

Freeze Protection

While in off mode, freeze protection may be active. This will cause the indoor fan to run at high speed, and the

 

remote fan and auxiliary heat will be on.

 

 

Fan Delay Off

The indoor fan continues to run after the compressor or auxiliary heat will be on.

 

 

Table 39. Control fuse is blown

Symptom

The generic thermostat does not work

The energy input does not work

The ventilation input does not work

The remote fan output does not work

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PTAC-SVX01C-EN

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Image 44
Trane PTAC-SVX01C-EN Condensate pump does not energize, Output on when the mode is off, Control fuse is blown, Symptom

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