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6888Xi Advanced Electronics Instruction Manual
WARNING
Installing and configuring an AC Relay Board for the Flame Status Interlock function will dedicate alarm
output 2 for this function. Once configured for Flame Status Interlock, the software will override any
previous alarm assignments for alarm output 2 and not allow it to be used for any other function.
Replacing Front Panel Assembly without CPU Board
NOTE
Prior to disassembly, observe the position of the plastic bumper with rubber insert as it is installed
over the CPU board. The two longer screws are used on the top edge of the CPU board passing
through the bumper.
CAUTION
The new front panel assembly may be supplied with protective clear membranes over the interior
and exterior of the window. Failure to remove the exterior protective membrane may cause the
display to appear distorted. The membrane may be difficult or impossible to remove after extended
use at elevated temperatures.
Maintenance and Service
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Section 5: Maintenance and Service
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