Trane IntelliPak with Symbio 800 Programming Manual page 101

Diagnostics Target
VFD Relief Fan Locked
Motor – X
Unit
where X is "1", "2" or
"3"
VFD Relief Fan Motor
Overheated – X
Unit
where X is "1", "2" or
"3"
VFD Relief Fan Power
Mod Overheated – X
Unit
where X is "1", "2" or
"3"
RT-SVP011E-EN
Severity Persistence
Warning Latching*
Warning Latching*
Warning Latching*
Condition / Response
Relief fan X indicates something has blocked the rotor
from turning. Ice is a common one in some
applications. (Motor Auto Reset)
Failure of fan X with other fans available: No action.
Failure of fan X with the other fans not-available:
Relief damper is closed, relief fan commanded off and
the Economizing will be disable and the outside air
damper will be driven to the active minimum
position.
* The Latching behavior for this diagnostic is latched
in the drive. When the drive diagnostics are reset this
diagnostic will be cleared in the Symbio™ 800
controller by setting its persistence to Non-Latching.
Relief fan X indicates motor thermocouples have
reached a too-high temperature. Typically caused by
excessively high ambient temp. (Motor Manual
Reset)
Failure of fan X with other fans available: No action.
Failure of fan X with the other fans not-available:
Relief damper is closed, relief fan commanded off and
the Economizing will be disable and the outside air
damper will be driven to the active minimum
position.
* The Latching behavior for this diagnostic is latched
in the drive. When the drive diagnostics are reset this
diagnostic will be cleared in the Symbio™ 800
controller by setting its persistence to Non-Latching.
Relief fan X indicates rectifier thermocouple has
reached a too-high temperature. Typically caused by
excessively high ambient temp. (Motor Manual
Reset)
Failure of fan X with other fans available: No action.
Failure of fan X with the other fans not-available:
Relief damper is closed, relief fan commanded off and
the Economizing will be disable and the outside air
damper will be driven to the active minimum
position.
* The Latching behavior for this diagnostic is latched
in the drive. When the drive diagnostics are reset this
diagnostic will be cleared in the Symbio™ 800
controller by setting its persistence to Non-Latching.
Troubleshooting
Reset Level
Local
Local
Local
101