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B–1
A P P E N D I X B
Troubleshooting
• • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • •
SYMPTOM
POSSIBLE CAUSE
REMEDY
1a. AC & DC power out.
1a. Check transformer connection &
battery connection: check AC input
volt. & batt. Volt. (with transformer
disconnected); check aux. fuse.
1. LED or LCD: Keypad display not lit.
1b. Keypad not powered.
1b Check term. 12(+) & 9(-) for 12
VDC.
2a. AC power out
2a. Check transformer connection;
check AC input.
2. LED KP: “AC/LB” slowly blinking.
LCD KP: “LOW BAT”
2b. Faulty keypad
2b. Replace keypad.
3a. DC power out; no battery
connected.
3a. Check battery connection; check
battery voltage (w/transformer
disconnected); check battery fuse.
3. LED KP: “AC/LB” slowly blinking.
LCD KP: “LOW BAT”
3b. Low battery voltage.
3b. Same as 3a, except voltage >11
VDC; otherwise let battery charge;
replace battery.
4a. Failure to communicate with central
station.
4a. Telephone lines cut or
disconnected; CS information
programmed incorrectly.
4b. Faulty panel.
4b. Replace panel.
4. LED KP: “ARM” light slowly blinking.
LCD KP: “COMM FAILURE”
4c. Faulty telephone lines.
4c. Consult telephone company.
5a. Zone faulted/System not ready to
be armed.
5a. Check loop wiring for an open or
short & repair; bad resistor or wrong
resistor value.
5b. Faulty keypad.
5b. Replace keypad.
5. LED KP: “ARM” light ON & “READY”
light OFF.
LCD KP: “NOT RDY:ZN #” &
“SYSTEM NOT READY”
5c. Faulty panel.
5c. Check zone terminals for 3.3 VDC;
Bypass zone temporarily; Replace
panel.
For more complicated problems, consult out Technical Service Department at (800) 645-5430.
Содержание XL-1S
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