Bryant 580J Installation, Start-Up And Service Instructions Manual page 55

CODE (HEX) WARNING / AUX. CODE
A2B1 Overcurrent
A2B3 Earth leakage
A2B4 Short circuit
A6A4 Motor nominal value
A6A4 Motor nominal value 0001
Motor stall Programmable
A780
warning: 31.24 Stall function
A783 Motor overload
A784 Motor disconnect
Extension I/O configuration
A7AB
failure
FBA A communication
Programmable warning:
A7C1
50.02 FBA A comm loss
func
EFB comm loss
Programmable warning:
A7CE
58.14 Communication loss
action
Panel loss Programmable
A7EE warning: 49.05
Communication loss action
A88F Cooling fan
AFAA Auto reset
AFE1 Emergency stop (off2)
Emergency stop (off 1 or
AFE2
off3)
Table 27 — Fault and Alarm Codes for ACH580 VFD
CAUSE
Output current has exceeded
internal fault limit.
In addition to an actual overcurrent
situation, this warning may also be
caused by an earth fault or supply
phase loss.
Drive has detected load unbalance
typically due to earth fault in motor
or motor cable.
Short-circuit in motor cable(s) or
motor.
The motor parameters are set
incorrectly.
The drive is not dimensioned
correctly.
Motor is operating in stall region
because of, for example, excessive
load or insufficient motor power.
Motor current is too high.
All three output phases are
disconnected from motor.
Installed extension module is not
the same as configured.
Cyclical communication between
drive and fieldbus adapter module A
or between PLC and fieldbus
adapter module A is lost.
Communication break in embedded
fieldbus (EFB) communication.
Control panel or PC tool selected as
active control location for drive has
ceased communicating.
Maintenance timer limit exceeded.
A fault is about to be auto reset.
Drive has received an emergency
stop (mode selection off2)
command.
Drive has received an emergency
stop (mode selection off1 or off3)
command.
Check motor load.
Check acceleration times in parameter group 23 Speed
reference ramp (speed control) or 28 Frequency reference chain
(frequency control). Also check parameters 46.01 Speed scaling,
46.02 Frequency scaling and 46.03 Torque scaling.
Check motor and motor cable (including phasing and delta/star
connection). Check for an earth fault in motor or motor cables by
measuring the insulation resistances of motor and motor cable.
See chapter Electrical installation, section Checking the
insulation of the assembly in the Hardware manual of the drive.
Check there are no contactors opening and closing in motor
cable.
Check that the start-up data in parameter group 99 Motor data
corresponds to the motor rating plate.
Check that there are no power factor correction capacitors or
surge absorbers in motor cable.
Check there are no power factor correction capacitors or surge
absorbers in motor cable.
Check for an earth fault in motor or motor cables by measuring
the insulation resistances of motor and motor cable. See chapter
Electrical installation, section Checking the insulation of the
assembly in the Hardware manual of the drive. If an earth fault is
found, fix or change the motor cable and/or motor. If no earth
fault can be detected, contact your local Bryant representative.
Check motor and motor cable for cabling errors.
Check motor and motor cable (including phasing and delta/star
connection). Check for an earth fault in motor or motor cables by
measuring the insulation resistances of motor and motor cable.
See chapter Electrical installation, section Checking the
insulation of the assembly in the Hardware manual of the drive.
Check there are no power factor correction capacitors or surge
absorbers in motor cable.
Check the auxiliary code. See actions for each code below.
Check the auxiliary code. See actions for each code below.
Check the settings of the motor configuration parameters in
groups 98 and 99.
Check that the drive is sized correctly for the motor.
Check motor load and drive ratings. Check fault function
parameters.
Check for overloaded motor.
Adjust the parameters used for the motor overload function
(35.51...35.53) and 35.55...35.56.
Check that switches between drive and motor are closed.
Check that all cables between drive and motor are connected
and secured. If no issue was detected and drive output was
actually connected to motor, contact Bryant.
Check that the installed extension module (shown by parameter
15.02 Detected extension module) is the same as selected by
parameter 15.01 Extension module type.
Check status of fieldbus communication. See user
documentation of fieldbus interface.
Check settings of parameter groups 50 Fieldbus adapter (FBA),
51 FBA A settings, 52 FBA A data in and 53 FBA A data out.
Check cable connections.
Check if communication master is able to communicate.
Check the status of the fieldbus master (online/offline/error etc.).
Check cable connections to the EIA-485/X5 terminals 29, 30 and
31 on the control unit.
Check PC tool or control panelcconnection.
Check control panel connector.
Check mounting platform if being used. Disconnect and
reconnect the control panel.
Consider changing the cooling fan. Parameter 05.04 Fan on-
time counter shows the running time of the cooling fan.
Informative warning. See the settings in parameter group 31
Fault functions.
Check that it is safe to continue operation. Then return
emergency stop push button to normal position. Restart drive.
If the emergency stop was unintentional, check the source
selected by parameter 21.05 Emergency stop source.
Check that it is safe to continue operation. Then return
emergency stop push button to normal position. Restart drive.
If the emergency stop was unintentional, check the source
selected by parameter 21.05 Emergency stop source.
Informative warning. See parameter 21.22 Start delay.
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WHAT TO DO