Simplex 4100 - 4100 Lcd Display Fault Messages Table

Page 84 SIMPLEX 4100 EWIS
INSTALLATION MANUAL
Document No.: 4100-M011 March 1998 Issue 1.0
9.5 4100 LCD DISPLAY FAULT MESSAGES TABLE
IF THE LCD DISPLAYS POSSIBLE CAUSE SOLUTION
OPEN CIRCUIT FAULT
SPEAKER LINE
• Speaker cabling fault.
• Open circuit cable.
• No EOL resistor.
• No DC isolation
capacitor fitted
(incorrect speaker
type).
• Check as instructed in
installation manual.
• Fit 10k EOL resistor.
• Fitted capacitors or
change speaker.
SHORT CIRCUIT FAULT
SPEAKER LINE WITH
AMPLIFIER OFF
• Speaker cabling fault.
• Short circuit cable.
• No EOL resistor.
• No DC isolation
capacitor fitted,
(incorrect speaker
type).
• Check as instructed in
installation manual.
• Fit 10k EOL resistor.
• Fitted capacitors or
change speaker.
AMPLIFIER FAILURE
• Faulty amplifier
• Blown fuse.
• Faulty Ribbon Cable.
• Replace amplifier.
• Replace fuse. 5 amp
3AG.
• Replace Ribbon Cable.
OPEN CIRCUIT WIP LINE
• Speaker cabling fault.
• Open circuit cable.
• No EOL resistor.
• Check as instructed in
installation manual.
• Fit 10k EOL resistor.
SHORT CIRCUIT
WIP LINE
• Speaker cabling fault.
• Open circuit cable.
• No EOL resistor.
• Check as instructed in
installation manual.
• Fit 10k EOL resistor.
OPEN CIRCUIT
BGA INPUTS
• Cabling fault.
• Open circuit cable.
• No EOL resistor.
• Check as instructed in
installation manual.
• Fit 3k3 EOL resistor.