TROUBLESHOOTING GUIDE FOR AUDIO SYSTEM 200
Contents
1. TROUBLESHOOTING GUIDE FOR AUDIO SYSTEM 200 ALL TESTS BELOW ARE ON A 200N PSU CONTROLLER UNLESS OTHERWISE STATED IF ANY OF THE VOLTAGE READINGS ARE NOT CORRECT DISCONNECT WIRING FROM RELEVANT TERMINALS amp REMEASURE CHECK VOLTAGES ON TERMINALS RATHER THAN SCREWHEADS NOTHING WORKS AT ALL CHECK FOR 240VAC INPUT CHECK FOR 11VDC ACROSS B5 amp B21 NB TERMINAL 5 ALWAYS NEGATIVE CHECK FOR 12 TO 18VAC ACROSS B23 amp B16 IF CHECKS 2 or 3 DO NOT APPEAR REMOVE ALL WIRES EXCEPT 240VAC SWITCH OFF FOR 1 MINUTE amp RE CHECK PoONM gt NO CALL TO PHONE CHECK FOR 11VDC ACROSS B5 amp B8 CHECK FOR 11VDC ACROSS CORRESPONDING TERMINALS ON PANEL CHECK FOR 4VDC ACROSS B5 amp CALL LINE 7 IN PHONE DURING CALL IF CHECK 3 12VDC CHECK CONTINUITY OF CALL LINE 5 amp 7 22 45 ohms WITH PHONE ON HOOK PONS NO AUDIO TO PHONE CHECK VOLUME LEVEL IN PANEL NOT AT MINIMUM FULLY ANTI CLOCKWISE IS MINIMUM ON PHONE POTENTIOMETER CHECK FOR 11VDC ACROSS 5 amp 6 OR 5 amp 21 IN PANEL CHECK 5 amp 14 LINKED IN PANEL OR 12 amp 14 LINKED ON HA 200 CHECK 5 amp 11 ON PANEL 22 45 ohms WITH PHONE OFF HOOK IF NOT CHECK CABLE IF MVA 100 01 PANEL WITHOUT MR 100 CHECK JUMPER SW2 IS ON REMOVE CABLES 11 amp 12 IN PANEL amp PLACE LINK BETWEEN THESE TERMINALS amp TERMINALS 5 amp 14 THIS SHOULD RESULT IN FEEDBACK AT PANEL OaARON NO AUDIO TO PANEL 1 CHECK VOLUME LEVEL IN PANEL NOT AT MINIMUM FULL2. Y ANTI CLOCKWISE IS MINIMUM ON SPEAKER POTENTIOMETER 2 CHECK FOR 11VDC ACROSS C5 amp C9 WITH PHONE ON HOOK 3 CHECK FOR 6VDC ACROSS C5 amp C9 WITH PHONE OFF HOOK IF NO CHANGE CHECK CONTINUITY OF LINE 9 TO PHONE 4 REPEAT CHECKS 2 3 amp 6 FROM NO AUDIO TO PHONE 5 CHECK CONTINUITY OF B12 A 200N TO 12 AT THE PANEL NO DOOR RELEASE 1 CHECK DOOR RELEASE TIMER NOT AT MINIMUM ON A 200N 2 CHECK FOR 11VDC ACROSS C5 amp C9 WITH PHONE ON HOOK 3 MOMENTARILY SHORT C5 amp C9 RELAY CONTACTS SHOULD ENERGISE FOR DURATION SET ON TIMER 4 CHECK B23 amp B16 12 TO 18VAC 5 PRESS DOOR RELEASE KEY BUTTON ON PHONE amp CHECK C5 amp 9 OVDC WHILST KEY BUTTON PRESSED IF NO CHANGE CHECK CONTINUITY OF LINE 9 TO PHONE 6 CHECK CABLE CROSS SECTION RATING OF RELEASE 12VAC 1A FAIL SECURE FEEDBACK RECOMMEND LOWER MICROPHONE ON TARGA HA 200 PANEL ENSURE VOLUME POTENTIOMETERS IN PANEL ARE CORRECTLY BALANCED NORMAL SETTINGS ARE PHONE POTENTIOMETER TO JUST OFF MIN SPEAKER POTENTIOMETER TO HALF ENSURE BOTH SETTINGS ADJUST END STOP TO END STOP PRIOR TO CONTACTING TECHNICAL SUPPORT IT IS GOOD ENGINEERING PRACTICE TO CONNECT PHONE amp PANEL ON SHORT LEADS DIRECTLY INTO A200N UNIT THIS WILL INDICATE CABLE PROBLEMS WRONG CONNECTIONS THAT CONSTITUTE THE MAJORITY OF CALLS TO OUR TECHNICAL SUPPORT DEPARTMENT
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