Trane Ascend ACR Series Installation, Operation And Maintenance Manual page 85

Table 26. Diagnostics — AFD (continued)
Diagnostic
Affects
Name and
Target
Source
AFD 2A Bus
Circuit
Under Voltage
AFD 1A Bus
Circuit
Over Voltage
AFD 2A Bus
Circuit
Over Voltage
AFD 1A Loss Of
Circuit
Motor Control
AFD 2A Loss Of
Circuit
Motor Control
AFD 1A Motor
Circuit
Fault
AFD 2A Motor
Circuit
Fault
AFD 1A Over
Circuit
Temperature
AFD 2A Over
Circuit
Temperature
AFD 1A Motor
Current Circuit
Overload
AFD 2A Motor
Current Circuit
Overload
AC-SVX001A-EN
Severity
Persistence
Immediate
NonLatch
(decel)
Immediate NonLatch
Immediate NonLatch
Immediate NonLatch
Immediate NonLatch
Immediate Latch
Immediate Latch
Immediate Latch
Immediate Latch
Immediate
Latch
(decel)
Immediate
Latch
(decel)
Active
Modes
[Inactive
Modes]
The bus voltage dropped below the Under Voltage
Level and there is not enough voltage to reliably
operate the load, or input voltage was lost on all
phases (Power Loss). The drive shall automatically
All
clear this diagnostic if the undervoltage is corrected
within 15s, or if a power loss event, when power is
restored at any later time.
Bus overvoltage indicated the high bus voltage cut
out has been exceeded while the AFD is in a non-
Holding,
stopped mode. The drive shall automatically clear
Running
this diagnostic if the dc bus voltage returns to normal
Bus overvoltage indicated the high bus voltage cut
out has been exceeded while the AFD is in a non-
Holding,
stopped mode. The drive shall automatically clear
Running
this diagnostic if the dc bus voltage returns to normal
AFD generated faults that can occur due to external
power anomalies or abnormal motor loading that
require ability to auto reset. This diagnostic maps to
All
the occurrence of AFD generated faults of: Hardware
Over Current, Over Speed Limit, IPM Over Current,
Drive Powerup, IPM and Speed Estimate Error.
AFD generated faults that can occur due to external
power anomalies or abnormal motor loading that
could be a transient or temporary condition. This
All
diagnostic maps to the occurrence of AFD generated
faults of: Hardware Over Current, Over Speed Limit,
IPM Over Current, Drive Powerup, IPM and Speed
AFD generated faults that imply internal failures.
This diagnostic maps to the occurrence of AFD
All
generated faults of: Motor Overload, Load Loss, and
Output Phase Loss. Check output wiring and motor
AFD generated faults that imply internal failures.
This diagnostic maps to the occurrence of AFD
All generated faults of: Motor Overload, Load Loss, and
Output Phase Loss. Check output wiring and motor
Heatsink Over Temperature (185°F/85°C),
Transistor Over Temperature (320°F/160°C) or
All
Control Board Over Temperature. Check drive liquid
Heatsink Over Temperature (185°F/85°C),
Transistor Over Temperature (320°F/160°C) or
All
Control Board Over Temperature. Check drive liquid
Software Filtered Overcurrent has been detected.
Running
Can be loss of control of motor, or hardware failure.
Software Filtered Overcurrent has been detected.
Running
Can be loss of control of motor, or hardware failure.
D D i i a a g g n n o o s s t t i i c c s s
Criteria
range within 15s.
range within 15s.
Estimate Error.
health.
health.
or air cooling.
or air cooling.
Reset
Level
Local
Local
Local
Local
Local
Local
Local
Local
Local
Local
Local
85