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Maintenance
70
313997A
Motor Control Module (MCM)
Keep heat sink fins clean at all times. Clean them using
compressed air.
NOTE: Do not use conductive cleaning solvents on the
module.
Install Upgrade Token
NOTE: The MCM connection to the system is temporar-
ily disabled during the installation of upgrade tokens.
1.
Ensure system is inactive.
2.
Remove access cover (D).
3.
Insert and press token (T) firmly into slot.
NOTE: There is no preferred orientation of the token.
4.
Turn power on. The red LED (L) will flash until the
software is uploaded. See F
IG
. 20.
5.
Remove token (T) when software has successfully
uploaded or key token is no longer required.
6.
Replace access cover (D).
F
IG
. 18: Clean Heat Sink Fins
F
IG
. 19: Remove Access Cover
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Heat
Sink Fins
D
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F
IG
. 20: Install Token
L
T
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