54 RT-SVX25C-EN
Troubleshooting
4. Locate the RTRM (J6). Connect two (2) wires to terminals J6-1 and 2.
5. Connect the sensor (OAS) using two wire nuts to the two (2) field supplied wires that were
connected to terminals 1 and 2 on J6.
Unit Economizer Control (ECA) Troubleshooting ReliaTel Control
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: CO2 Sensor
• 3 Flashes: RA Humidity Sensor
• 4 Flashes: RA Temp Sensor
• 5 Flashes: OA Quality Sensor
• 6 Flashes: OA Humidity Sensor
• 7 Flashes: OA Temp Sensor
• 8 Flashes: MA Temp Sensor
• 9 Flashes: RAM Fault
• 10 Flashes: ROM Fault
• 11 Flashes: EEPROM Fault
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