PROBLEM
POSSIBLE CAUSES & SOLUTIONS TO PROBLEM
2
1
3
4
5
Entry Panel howling when
active
Lights off on Entry Panel
Entry Panel relay not
triggering when gate button
pressed on Handset
Handset not ringing
when called
No speech when
handset lifted
!
!
!
!
Check polarity of power supply wires.
Check polarity of 2 wire bus.
Check supply voltage.
Check 2 wire bus voltage at Entry Panel.
!
Reduce volume on Entry Panel.
!
!
Check correct group (1 or 2) is selected on Entry Panel.
Check bus voltage at Entry Panel
!
!
!
!
Check polarity of 2 wire bus.
Check 2 wire bus voltage at Handset.
Check coil cord connection.
Check that correct group (A or B) is selected on Handset.
!
!
!
Increase volume on Handset.
Check coil cord connection to cradle.
Check hook switch is free to move.
Page 14 - Polophone Intercom
FAULT FINDING GUIDE
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