Trane Horizon OADG Series Installation, Operation And Maintenance Manual page 71

Table 14. Diagnostic values (continued)
Name
BV-42 Diagnostic: Heat Failure
Diagnostic: Not Economizing
BV-46
When It Should Be Economizing
Diagnostic: Return Duct/Space
BV-47
Pressure Setpoint Range
Diagnostic: Damper Not
BV-48
Modulating
Diagnostic: Space CO2 Source
BV-50
Failure
Diagnostic: Compressor 2 Run
BV-52
Failure
Diagnostic: Compressor 3 Run
BV-53
Failure
Diagnostic: Compressor 4 Run
BV-54
Failure
Diagnostic: Return Duct/Space
BV-55
Pressure Source Failure
Diagnostic: Outdoor Air Flow
BV-56
Sensor Source Failure
Diagnostic: Compressor 5 Run
BV-58
Failure
Diagnostic: Compressor 6 Run
BV-59
Failure
Diagnostic: Energy Recovery
BV-60
Wheel Rotation Failure
OAU-SVX006E-EN
Manual or Auto Reset
Auto Reset (4 hours). Occurs when
there is a call for heat but the heat
status relay is not energized. The
heat is cycled three times and then
locked out for four hours before
retrying
Auto Reset
Auto Reset
Auto Reset
Auto Reset
Manual or Auto Reset
Manual or Auto Reset
Manual or Auto Reset
Auto Reset
Auto Reset
Manual or Auto Reset
Manual or Auto Reset
Auto Reset
Alarms and Troubleshooting
Possible Causes
• Trips after heat command ON and no GV status offer 1 minute
• No gas, low gas pressure or high gas pressure to unit
• Unit Manual shutoffs closed
• Heater inducer failure
• Heat relay failure
• Loose or incorrect wiring
Occurs when the unit is in economizer mode and the outdoor
air damper feedback status is greater than 20% lower than
the output.
Occurs when the duct static setpoint is above 85% of the
maximum limit for the hardwired input, below 5% of the full
scale input, or less than the minimum.
Occurs when the outdoor air damper position feedback is
more more than 20% off than the output.
Occurs when the space CO2 reading falls outside of range.
Occurs when there is a call for a compressor without a run
status for five minutes. Auto resets after three hours.
Occurs when there is a call for a compressor without a run
status for five minutes. Auto resets after three hours.
Occurs when there is a call for a compressor without a run
status for five minutes. Auto resets after three hours.
Occurs when the return duct/space pressure transducers falls
outside of range.
Occurs when the outdoor air damper is above 15% and the
outdoor air flow measurement shows less than 50cfm.
Occurs when there is a call for a compressor without a run
status for five minutes. Auto resets after three hours.
Occurs when there is a call for a compressor without a run
status for five minutes. Auto resets after three hours.
Occurs when there is a call for the ERV but rotation was not
detected for five minutes.
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