Rockwell Automation 1302 575v AC Drive - Canada Only - Manual (Page 80)

9–2 Troubleshooting
Publication 1302-5.0 — January, 1998
Step 4. Measure the DC bus voltage at the DC bus power terminals
with a multimeter while standing on a non-conductive
surface and wearing insulated gloves (600V). See Figure
9.1.
Once the Drive has been serviced, reattach the Drive’s cover and
reapply input power.
Figure 9.1 - DC Bus Terminals
AC POWER
INPUT LEADS
DC BUS
VOLTS
(SNUBBER
RESISTOR
BRAKING)
(SNUBBER
RESISTOR
BRAKING
10V SUPPLY)
MOTOR LEADS
Table 9.A defines the fault codes for user-correctable faults, lists
possible causes, and suggests actions to take to correct the problem.
All other faults require replacement of the drive.
If a fault occurs, do the following:
Step 1. Try to clear the fault first by pressing the
STOP
RESET key or
asserting the IET reset input (remote operation). If the fault
reoccurs, continue with step 2.
Step 2. Refer to Table 9.A to identify the fault code and the possible
causes.
Step 3. Perform the suggested corrective action(s).
Step 4. Clear the fault by pressing the
STOP
RESET key or asserting the
IET reset input.
Table 9.A - Drive Faults and Corrective Actions
= FUNCTION LOSS
The function loss input signal has been asserted (terminals 10 and 11).
Possible Cause Corrective Action
The external equipment connection to the function
loss terminals has failed or is giving repeated stop
requests.
Check the external equipment wired to the remote
function loss terminals (10 and 11). Refer to
ChapterĂ5.
Check the function loss input connections.
Troubleshooting the Drive
Using Fault Codes