D9412GV2/D7412GV2 | Troubleshooting Guide | 3.0 Troubleshooting
10 Bosch Security Systems, Inc. | 11/05 | F01U011024B
B C D E F
• If the D9210B LEDs do not
flash, replace the card
reader.
• If the D9210B LEDs flash in
some pattern other than only
twice simultaneously, the
card reader is not using 26-
bit Wiegand format. If the
card reader is configurable,
configure it for 26-bit
Wiegand format. If it cannot
be configured, replace this
card reader with a 26-bit
Wiegand card reader.
Replace wiring between the D9210B
and card reader.
The card reader is not receiving power.
• Check the D9210B OPER MON LED
(refer to
Figure 6 on page 12, and Table 6
on page 12). If it is off, refer to TTP4
Keypad Shows SERVICE 9210 on page
18.
• If the D9210B OPER MON LED is
blinking, check wiring between D9210B
and the card reader (refer to
Figure 5 on
page
12). If the wiring is OK, replace the
card reader.
Verify that all wiring from an access door, for example,
REX, card reader, and magnetic lock or door strike,
connects to the same D9210B.
Refer to TTP6 Control Panel Log Shows “No Entry” for
Alleged Valid Card on page 21.
Table 4: D9210B DIP Switch Addresses
Door Controller Address
Device 1 2 3
D9210B #1
ON ON ON
D9210B #2 OFF
ON ON
D9210B #3
ON
OFF
ON
D9210B #4 OFF OFF
ON
D9210B #5
ON ON
OFF
D9210B #6 OFF
ON
OFF
D9210B #7
ON
OFF OFF
D9210B #8 OFF OFF OFF
Table 5: [COMMAND][4][6] Display
Descriptions
Display Description
- Door not programmed in the system.
F Communication failure between the control
panel and D9210B.
Refer to
TTP4 Keypad Shows
SERVICE 9210 on page 18.
A D9210B DIP Switch 5 is in the OFF position.
Set to the ON position.
If DIP Switch 5 is OK, refer to
TTP47 Open Wiring on page 100.
D
D9210B DIP Switch 6 is in the OFF position.
Set to the ON position.
If DIP Switch 6 is OK, refer to
TTP47 Open Wiring on page 100.
U Door is currently unlocked. To change state,
press the keypad number key that
corresponds with the door’s number. The
number replaces the “U” in the keypad display.
X Door is currently secured.
D1255 Keypad: Press [MENU/ESC]. Keypad
shows UNLOCK DOOR? Press [Next] until
keypad shows SECURE DOOR? Press
[ENT]. To change state, press the keypad
number key that corresponds with the door’s
number. The number replaces the “X” in the
keypad display.
D1260 Keypad: Press [Exit]. Press [SECURE
DOOR?]. To change state, press the keypad
number key that corresponds with the door’s
number, then press [ENTER]. The number
replaces the “X” in the keypad display.
Number Door is currently locked.
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