Installation Instructions

Installation is to be done by qualified personnel who
have thoroughly read and understood this instruction
sheet.
Step 1.) Upload the panel configuration to the FS-CT2
software.
Step 2.) Disconnect BATTERY and AC prior to working on
equipment.
Step 3.) Remove cable connection from the keypad on the
Inner Front Plate to connector J3 on the Display
Board (P/N FS-DB2).
Step 4.) Remove the cable assembly (P/N 555-446055) from
connector J1 of the Display Board (P/N FS-DB2).
Step 5.) Remove the Display Board (P/N FS-DB2) from Inner
Front Plate Assembly by removing the four screws.
Place the screws to one side. Refer to Figure 1.
PLATE
906-220604 (4)
#6-32 x 1/4 SCREW
ASS'Y
J3 - Keypad
Connection
Board
Display
to Main
J1 - Connection
Board
FS-250
showing Display Board and
Keypad being attached to
Front Plate Ass'y
Figure 1
Display Board Removal/Installation
Step 6.) Reattach the cable connection from the keypad on
the Inner Front Plate to connector J3 on the Display
Board (P/N FS-DB2).
a. Keypad with releasing application LEDs
Align the keypad connector (P/N 215-649557) to J3 of
the FS-DB2 as shown below. Insert the keypad
connector to the J3 header with pin 1 of J3 properly
aligned with the keypad connector until it is a tight fit.
(Refer to Figure 2.)
P/N 315-050141-0
LCD Contrast A djust
LCD location
1
J3
J1
26-pin ribbon cable
connected to the
Main Board
Keyboard with
Releasing LEDs
connector
(P/N 215-649557)
Backside of FS-DB2
Figure 2
Keypad with Releasing Application LEDs
b. Keypad without releasing application LEDs
Align the keypad connector (P/N 215-649113) to J3 of
the FS-DB2 as shown in Figure 3. Insert the keypad
connector to the J3 header with pin 1 of J3 properly
aligned with the keypad connector until it is a tight fit.
Verify that pins 19-22 (last four pins) of J3 are not
connected to the keypad.
LCD Contrast A djust
LCD location
1
J3
J1
26-pin ribbon cable
connected to the
Main Board
Keyboard with no
Releasing LEDs
connector
(P/N 215-649113)
Backside of FS-DB2
Figure 3
Keypad without Releasing Application LEDs
Step 7.) Secure Display Board (P/N FS-DB2) to Inner Front
Plate Assembly using the four screws removed in
Step 5. Refer to Figure 1.
Step 8.) Plug the Cable Assembly (P/N 555-446055) into
connector J1 of the Display Board (P/N FS-DB2) and
to connector J11 of the Main Board (P/N FS-MB or
FS-MB2).
Step 9.) Apply power to system.
Step 10.) Download the panel configuration from the FS-CT2
to the panel and swap.
a. We recommend copying the primary
configuration to the secondary after swapping.
INSTALLATION INSTRUCTIONS
Model FS-DB2
Display Board Replacement for FS-250
Fire Safety
Siemens Building Technologies, Inc.
8 Fernwood Road
Florham Park, New Jersey 07932