Rockwell Automation Liqui-Flo DBT Reach Drive User Manual
Page 194
4-14
DBT Reach Drive User Manual
Software
Fault
89
Microprocessor handshake
error.
Replace Main Control Board.
SW
OverCurrent
36
➀
The drive output current has
exceeded the software
current.
Check for excess load,
improper DC boost setting. DC
brake volts set too high.
TorqProv Spd
Band
20
Difference between
Commanded Speed and
Encoder Speed has exceeded
the level set in Spd Dev Band
for a time period greater than
Spd Band Integrat.
1.
Check wiring between drive
and motor.
2.
Check release of
mechanical brake.
Trnsistr
OvrTemp
9
➀
Output transistors have
exceeded their maximum
operating temperature.
Check for proper temperature
and flow rate of coolant.
UnderVoltage
4
➀
➂
DC bus voltage fell below the
minimum value of 407V DC at
400/480V input or 204V DC at
200/240V input.
Enable/disable with Fault
Config 1(233).
Monitor the incoming AC line
for low voltage or power
interruption.
UserSet1
Chksum
101
➁
The checksum read from the
user set does not match the
checksum calculated.
Re-save user set.
UserSet2
Chksum
102
➁
UserSet3
Chksum
103
➁
Table 4.6 – Fault Names Cross-Referenced by Fault Number
No.
1
Fault
No.
1
Fault
No
1
Fault
2
Auxiliary Input
29
Analog In Loss
87
IXo VoltageRange
3
Power Loss
39
Phase V to Grnd
88
Software Fault
4
UnderVoltage
40
Phase W to Grnd
89
Software Fault
5
OverVoltage
41
Phase UV Short
90
Encoder Quad Err
7
Motor Overload
42
Phase VW Short
91
Encoder Loss
8
Heatsink OvrTemp
43
Phase UW Short
92
Pulse ln Loss
9
Trnsistr OvrTemp
48
Params Defaulted
93
Hardware Fault
12
HW OverCurrent
49
Drive PowerUp
100 Parameter Chksum
13
Ground Fault
51
Flt QueueCleared
101-
103
UserSetX Chksum
15
Load Loss
52
Faults Cleared
104 Pwr Brd Chksum1
16
Motor Thermistor
55
Cntl Bd OverLoad
105 Pwr Brd Chksum2
17
Input Phase Loss
63
Shear Pin
106 Incompat MCB-PB
18
Hardware PTC
64
Drive OverLoad
107 Replaced MCB-PB
20
TorqProv Spd Band
69
DB Resistance
108 Anlg Cal Chksum
21
Output Phase Loss
70
Power Unit
120 I/O Mismatch
24
Decel Inhibit
71- 75 Port 1-5 Net Loss
121 I/O Comm Loss
25
OverSpeed Limit
77
IR Volts Range
122 I/O Failure
28
See Manual
78
FluxAmpsRef Rang
130 Hardware Fault
Table 4.5 – Fault Descriptions and Corrective Actions (Continued)
Fault
No.
Ty
p
e
Description
Action