Trane IntelliPak with Symbio 800 Programming Manual page 103

20 to 75 tons with the td7 display
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Diagnostics
Target
VFD Supply Fan Motor
Current Overload – X
Unit
where X is "1" or "2"
VFD Supply Fan Short
Circuit – X
Unit
where X is "1" or "2"
VFD Torque Limit
Circuit
Exceeded– Cprsr1A
RT-SVP011E-EN
Severity
Persistence
Warning
Latching*
Warning
Latching*
Immediate
Latching*
Shutdown
Condition / Response
Supply fan X VFD indicates peak current of
approximately 200% of rated current was exceeded
for 1.5 seconds.
This is a drive enforced lockout.
Failure of fan X with the other fan available:
Generate a "Supply Fan X Proving Failure" diagnostic
on the failed fan, allow the working fan to continue
and lock-out all heating operation.
Failure of fan X with the other fan not-available:
Generate a "Supply Fan X Proving Failure" diagnostic
on the failed fan and shutdown the unit.
*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 be cleared in the Symbio™ 800 controller
by setting its persistence to Non-Latching.
This drive alarm may be Trip Locked at the TR150
drive. If the drive determines that the condition could
cause damage the drive protects itself by generating
a Trip Lock that can only be cleared by cycling power.
Supply fan X VFD indicates a short circuit in the motor
windings or the motor terminals was detected. Fan
operation is not recommended until the short circuit
is removed.
Failure of fan X with the other fan available:
Generate a "Supply Fan X Proving Failure" diagnostic
on the failed fan, allow the working fan to continue
and lock-out all heating operation.
Failure of fan X with the other fan not-available:
Generate a "Supply Fan X Proving Failure" diagnostic
on the failed fan and shutdown the unit.
* 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.
This drive alarm may be Trip Locked at the TR150
drive. If the drive determines that the condition could
cause damage to the drive, the drive protects itself by
generating a Trip Lock that can only be cleared by
cycling power.
Supply fan X VFD indicates motor torque is higher
than expected.
* 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.
The behavior for this diagnostic is set to non-latching
in the drive and will be cleared when the condition is
no longer active.
Troubleshooting
Reset Level
Local
Local
Local
103

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