Pach and Company AeGIS NPB7000P Series Manual - Manual (Page 25)

AeGISNPB7000P Page 25
Chapter 5
TROUBLE SHOOTING GUIDE
AUDIO PROBLEMS
No audio on key(s) press 1. Turn the system’s power off and on
2. Check the speaker and microphone
connection, check for broken wires.
3. Disconnect the microphone and speaker
connector then check the speaker’s
impedance, must read between 18-24 ohms
No dial tone The no phone bill system has no dial tone,
because it is not connected to the telephone
company dial tone.
Tenant can’t hear from the system 1. Turn the system’s power off and on
2. Check the speaker and microphone
connection, check for broken wires
Visitor can’t hear tenant 1. Turn the system’s power off and on
2. Check the speaker and microphone
connection, check for broken wires.
3. Disconnect the microphone and speaker
connector then check the speaker’s
impedance, must read between 18-24 ohms
DISPLAY PROBLEMS
Display shows non-readable characters 1. Turn the system’s power off and on
2. Erase the memory to factory default, see
function code 50, p18.
Display shows blank 1. Turn the system’s power off and on
2. If this is a new installation, turn the system
power OFF immediately. LCD’s ribbon
connection may be incorrect. Call our technical
department 1-888-678-7224
3. Adjust the LCD’s intensity, see figure 2.1 p11
4. Possibility is bad display
Displays shows 8-square blocks 1. Turn the system’s power off and on
2. Turn down the LCD’s contrast, see figure 2.1
p11
3. Possibility is bad main board
Display is hard to read 1. Turn the system’s power off and on
2. Turn up the LCD’s contrast, see figure 2.1 p11
3. Low temperature may cause this issue, install
a heater pad (AHP5)
COMMUNICATION PROBLEMS
No dial tone The no phone bill system has no dial tone,