Troubleshooting
RT-SVX058C-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
Seconds between 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
