Troubleshooting
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RT-SVX23G-EN
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 - 1/2 Second On / 2 Seconds Off:
Error Code:
Communications Failure
Pulse Flash: 2 Seconds On / 1/2 Second Off:
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 F
Troubleshooting Procedures for
Direct Drive Plenum Fan
Prior to troubleshooting, verify all wiring and wiring
connections. The motor has internal protections that will
shut down the motor before damage occurs. A power
cycle is required to reset some of the internal protections.
Before proceeding, power down unit for 1 minute and then
power on.
Please follow steps sequentially unless directed differently
in solution.
Refer to RT-SVB90*-EN for a Comprehensive
Troubleshooting Guide.
