Rockwell Automation GV3000/SE V.6 Regulator Board 0-56921-6xx, 413338-6BU, 0-56940-6xx, 814.61.00 - Manual (Page 74)

Clearing the CHS Fault Code and Identifying the Power Module 11-1
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HAPTER
11
Clearing the CHS Fault Code and
Identifying the Power Module
After the Regulator board is replaced and power is applied to the Power Module, CHS
is displayed. The drive cannot start until this fault code is cleared and the Power
Module is identified to the Regulator board.
To clear this fault code, you must perform a Power Module identification procedure.
The values entered during this procedure configure the Regulator board for the
connected Power Module so that appropriate control calculations can be made by the
system. Note that equipment damage can result if incorrect values are entered during
this procedure.
You must be familiar with the keypad/display in order to perform this procedure. If you
are not familiar with the keypad/display, refer to the drive’s software manual.
Use the following procedure to clear the CHS fault and identify the Power Module to
the Regulator board.
!
ATTENTION: The Power Module identification procedure enabled in
parameter P.998 clears the contents of parameter P.999. Only qualified
electrical personnel who understand the potential hazards involved
should make modifications to parameters P.998 and P.999. Failure to
observe this precaution could result in damage to, or destruction of, the
equipment.
ATTENTION: Entering incorrect values into parameter P.999 will
configure the Regulator board incorrectly for the connected Power
Module. This parameter must be set by a qualified person who
understands the significance of setting it correctly. Failure to observe this
precaution could result in damage to, or destruction of, the equipment.
Step 1. Press and hold down the STOP, PROGRAM, and ▼ keys for 4 to 8
seconds.
CHS continues to flash while you hold down
the keys.
If P.--- appears, you have not cleared the
CHS fault. Press the PROGRAM key to
return to monitor mode. Repeat step 1. Be
sure to press the STOP key first.
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