Control Assembly Service
309738L
51
Control Assembly Service
Servicing the Panel Assembly
This part of the manual provides information about the
following panel assembly component:
•
Main Control Board
•
Software Upgrade
•
Fuse
•
Display Backlight
Main Control Board Removal
Remove the control board as follows:
1.
Shut off system power at the main circuit breaker.
2.
At the control assembly, move the MAIN power
switch to the OFF position.
3.
Open the hinged cover of the control assembly.
4.
Unplug the connectors from the control board.
5.
Pry the plastic cups off the board with a screwdriver
to release the board from the din rail.
Control Board Replacement
Replace the control board as follows:
1.
Snap the main control board onto the din rail.
2.
Plug the connectors into the control board.
3.
Close and lock the hinged cover on the control
assembly.
4.
Apply system power at the main circuit breaker.
5.
Move the MAIN power switch to the ON position,
applying power to the control assembly.
6.
Verify that the control board operates correctly.
7.
Restore the system parameters to return the control
assembly to normal operating condition.
F
IG
. 20
Door Side
Display Backlight
Easy Key Interface
Main Control Board
Fuses
Enclosure Side
WARNING
Read Warnings, page 6.
