Valcom V-2901 User Manual page 4

TABLE 1 - DIPSWITCH SETTINGS FOR DOOR UNLOCK CODES
DIGIT
1
2
3
4
5
6
7
8
9
0
*
#
A
B
C
D
PROBLEM
1. No system operation - Power LED not lit.
2. No system operation - Power LED is lit.
3. No paging at speaker.
4. Paging at speaker but no reply from speaker.
5. No system ringing when the doorplate button
is pressed.
6. Door unlock relay does not operate.
7. No ringback tone to speaker when door
button is pressed.
SW1 SW2
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
TABLE 2: TROUBLESHOOTING CHART
1a. Verify AC voltage is present at the receptacle.
1b. Check the fuse located on the bottom of the unit.
2a. Verify that screw terminal connectors are completely
2b. Refer to Figure 2 and verify all connections.
3a. Check door plate speaker connections.
3b. Refer to Figure 5 and adjust Phone to Speaker
4a. Refer to Figure 5 and adjust Speaker to Phone
5a. Refer to Figure 5 and check Ring ON/OFF switch.
6a. Refer to Table 1 and verify dip switch settings.
7a. Refer to Figure 5 and adjust ringback tone volume
SW3
OFF OFF
ON OFF
ON OFF
OFF ON
OFF ON
ON ON
ON ON
OFF OFF
OFF OFF
ON OFF
ON OFF
OFF ON
OFF ON
ON ON
ON ON
OFF OFF
ACTION
If blown, replace with a 1 amp 250 VAC fuse.
plugged into circuit board headers.
volume.
volume.
control.
4
SW4
OFF
OFF
OFF
OFF
OFF
OFF
OFF
ON
ON
ON
ON
ON
ON
ON
ON
OFF
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