Aiphone MK-2MCD, MK-2HCD User's Guide

MK-2MCD Termination Switch Troubleshooting Chart

MK-2MCD MK-2HCD MK-2HCD CONDITION ON POWER-UP CONDITION PROBLEM EXHIBITED WITH CONFIGURATION

CORRECT

INCORRECT

N/A OFF ON

N/A ON OFF

N/A ON ON

N/A OFF OFF

OTHER CONDITIONS OF NOTE:

MORE THAN TWO MK-2HCD's IN SYSTEM

MASTER LED LIGHTS, FOLLOWED BY SUBMASTER LEDS. LEDS GO OUT AFTER A FEW SECONDS.

MASTER LED LIGHTS, FOLLOWED BY SUBMASTER LEDS. AFTER MASTER DETECTION SEQUENCE, MASTER LED BLINKS RAPIDLY, SUBMASTER LEDS CONSTANT ON.

MASTER LED LIGHTS, FOLLOWED BY SUBMASTER LEDS. LEDS GO OUT AFTER A FEW SECONDS.

NONE. PROPER CONFIGURATION.

SEEMING PROPER FUNCTION, OCCASIONAL INTERMITTENT RESET CONDITION CAUSED ON MASTER STATION. MAY BE AFFECTED BY WIRE DISTANCE BETWEEN STATIONS.

PROPER FUNCTION UNTIL ATTEMPTED COMMUNICATION OF ANY TYPE. MASTER AND SUBS THEN EMIT LOUD TREMOLO TONE WHICH CAN ONLY BE CANCELED BY POWER-DOWN.

NO FUNCTION WHATSOEVER. SYSTEM DISABLED.

TOTALLY INTERMITTENT FUNCTION. MASTER MAY FREQUENTLY REINITIALIZE. TREMOLO TONE MAY ALSO SOUND UNDER CERTAIN CONDITIONS.