Troubleshooting
RT-SVX058D-EN 33
Unit Economizer Control (ECA)
Verify Economizer Status by Economizer Actuator (ECA)
LED indicator:
• OFF: No Power or Failure
• ON: Normal, OK to Economize
• 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
Seco
nds betw
een pulse sequences)
Error Code:
• 1 Flash: Actuator Fault
• 2 Flashes: CO
2
Sensor
• 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
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