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Allen-Bradley 1336-Series AC Drives
105
F232120
© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT
Fault Display and Troubleshooting
Information
This section provides information to guide users in
understanding drive fault conditions and general
troubleshooting procedures for Allen-Bradley drives.
Included is a listing and description of the various
drive faults with possible solutions, when applicable.
For any questions regarding fault conditions, consult
with the factory.
Each drive is equipped with a fault indicator light
which illuminates when a fault condition exists.
Fault Code Identification
When the A-B 1336 drives encounter a fault, an LED
is illuminated. Refer to Figure 45. These LEDs are
viewed with the front cover removed. To view the
specific fault description, the HIM (parameter unit)
must be installed. Refer to HIM installation and
operation.
In addition, A-B 1336 fault codes are stored in a fault
buffer with the capability to store up to four fault
codes. If more than four faults are identified, the least
recent fault is deleted to make room for the additional
fault. “Fault Buffer 0” is the most recent fault. The
faults are viewed using a HIM as shown below. Refer
to HIM installation and operation.
The fault parameters are identified as follows:
“Last Fault” Parameter #4 Most Recent
“Fault Buffer 0” Parameter #86 Most Recent
(same as
Parameter #4)
“Fault Buffer 1” Parameter #87 —
“Fault Buffer 2” Parameter #88 —
“Fault Buffer 3” Parameter #89 Least Recent
NOTE: FOR A-B 1336 ONLY. During normal
operating conditions (no faults present, drive
running) the fault contacts at TB2-13 & 14 are
open, and the contacts at TB2-14 & 15 are closed.
When a fault occurs, the state of these contacts will
change. On some machine models, this contact is
connected to a fault indicator light.
Fault Buffer 0
48