Pach and Company AeGIS NPB9000 Series Manual - Manual (Page 49)

THE LCD SHOWS
EIGHT SQUARES OR
UNDERLINES
THE VISITOR CAN'T
PLACE A CALL TO A
TENANT OR TENANTS
THE VISITOR HEARS A
RADIO STATION ON
THE MAIN LOBBY
CONTROL PANEL
(AEGIS 7000NC)
SYSTEM WHILE
TALKING TO A TENANT.
BOTH THE VISITOR
AND TENANT HEAR
STATIC OR CROSS-
TALK WHILE THEY ARE
TALKING.
TENANT PHONE DOES NOT
RING
• If the system beep when the keypad is pressed, try to adjust the LCD’s intensity, if the
LCD display is still blank. possibility the LCD is bad.
• The LCD's ribbon cable has red dots along the side. The red dots must be facing up
and connected to pin 1.
• It must be connected to the terminal marked LCD on the board.
• The LCD's ribbon cable sits tight on the terminal pins marked LCD on the board.
• The LCD's ribbon cable is connected into the LCD's terminal pin connector and the red
dots along the side of the ribbon should be connected on pin 1.
• Turn the system's power "OFF", wait for 15 seconds and turn it "ON".
• The input voltage to AC1 and AC2 should read within 12VAC-13.8VAC or if you use
12 VDC, the meter must read 13.5 - 14.0 VDC.
• If the display only fails when the outside temperature is below 32°F or 0°C, you may
need to install a heater (AHP-5).
• Check to see if the problem occurs on all tenants.
• Check the phone number (must be 4-digit relay number) on the system
programming.
• If LineBusy/No Ctrlr shows on the display, turn Off and On the Main Relay
Control Panel. If the problem still exist, proceed to the next step.
• Disconnect the communication wires between the Main Lobby Control Panel
and the Main Relay Control Panel (ES1 and ES2), then connect a standard
phone into ES1 and ES2 as shown on figure 2.4. Try to dial each tenant by
pressing #xxxx (xxxx is the 4-digit relay number).
• If you can place a call to each tenant, you may have a problem with
the Main Lobby Control panel.
• If you can’t place a call to each tenant, you may have a problem with
the Main Relay Control Panel.
• Check if the problem occurs on all tenants.
• Disconnect the ground wire (marked GND, see figure 2.1)) from the board.
• If the problem still exists, install a Modular RFI Filter.
• If the problem disappear, find a different Earth Ground and connect
all the system’s ground (GND) to the same point of earth ground.
• Disconnect the communication wires between the Main Lobby Control Panel
and the Main Relay Control Panel (ES1 and ES2), then connect a standard
phone into ES1 and ES2 as shown on figure 2.4. Try to dial each tenant by
pressing #xxxx (xxxx is the 4-digit relay number).
• If the problem still exists, install a Modular RFI Filter.
• If the problem disappear, find a different Earth Ground and connect
all the system’s ground (GND) to the same point of earth ground.
• Check if the problem occurs on all tenants.
• Disconnect the communication wires between the Main Lobby Control Panel
and the Main Relay Control Panel (ES1 and ES2), then connect a standard
phone into ES1 and ES2 as shown on figure 2.4. Try to dial each tenant by
pressing #xxxx (xxxx is the 4-digit relay number).
• If the problem still exists, install a Modular RFI Filter.
• If the problem disappear, find a different Earth Ground and connect
all the system’s ground (GND) to the same point of earth ground.
• Disconnect the ground wire (marked GND, see figure 2.1)) from the board.
• If the problem still exists, install a Modular RFI Filter.
• If the problem disappear, find a different Earth Ground and connect
all the system’s ground (GND) to the same point of earth ground.
• The connection on the RJ71X block may be reversed.
• The tenant phone may not tolerate with the system ring, you may have to
try different phone.
• Too many phone is connected to the same phone line.
• Bad Main Relay Control Panel.
DISPLAY PROBLEMS SOLUTIONS AND SUGGESTIONS
Pach and Company Chapter 5 Page 41
AeGIS NPB9000 Series TROUBLE SHOOTING GUIDE 05/01/02
COMMUNICATION PROBLEMS SOLUTIONS AND SUGGESTIONS