Method 2; Condensate Overflow Switch; Unit Economizer Control (Eca); Error Code - Trane Foundation GBC036-060 Installation, Operation And Maintenance Manual

Troubleshooting
approximately 30 seconds, turn the "Mode" selection switch
to the desired mode, i.e. Heat, Cool or Auto.

Method 2

To reset the system at the unit, cycle the unit power by
turning the disconnect switch "Off" and then "On".

Condensate Overflow Switch

When the condensate overflow switch is closed, a drain
pan overflow condition is indicated and it will shut unit
operations down.

Unit Economizer Control (ECA)

Verify Economizer Status by Economizer Actuator (ECA)
LED indicator:
• OFF: No Power or Failure
• ON: Normal, OK to Economize
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• Slow Flash: Normal, Not OK to Economize
• Fast Flash - 1/4 Second On / 2 Seconds Off:
– Error Code: Communications Failure
• Pulse Flash: 1/30 Second On / 1/4 Second Off: (2
Seconds between pulse sequences)

Error Code

• 1 Flash: Actuator Fault
• 2 Flashes: CO Sensor
2
• 3 Flashes: RA Humidity Sensor
• 4 Flashes: RA Temp Sensor
• 6 Flashes: OA Humidity Sensor
• 7 Flashes: OA Temp Sensor
• 8 Flashes: MA Temp Sensor
• 9 Flashes: On-board Setpoint Failure
RT-SVX058G-EN