Sentrol ESL 2500, Instruction Manual

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3.1 IDENTIFYING SYSTEM TROUBLE CONDITIONS
SYSTEM TROUBLE
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3.0 TROUBLE CONDITIONS
When your system detects a trouble condition, the Keypad will alternate between
displaying System Trouble and any other existing system conditions. The specific
trouble messages are alternately displayed on the second line of the display, with
each message displayed for two seconds at a time.
Keypad System
Trouble Description
NO AC POWER Indicates the loss of AC power or that the AC voltage is not high enough to power the
system.
LOW BATTERY Indicates that the battery voltage is low or the batteries are missing.
BELL Indicates that there is a short or open in the wiring or that the EOL is missing.
GROUND FAULT Indicates an earth ground connection to the system.
BELL SILENCE Indicates that a bell (NAC) has been silenced.
DRILL TEST Indicates that a drill test is being performed.
HIBERNATION Indicates that the panel has gone into hibernation mode.
LEM/LRM Indicates a problem with the LEM/LRM module.
TELCO Indicates a problem with a 2500-DACT phone line.
EXPANDER Indicates a missing ZEM module.
DAC Indicates a problem with the 1500-DAC2 module.
KEYPAD Indicates a missing supervised keypad.
RA Indicates a missing supervised RA.
COMM Indicates a 2500-DACT communication failure.
MEMORY Indicates a function map memory failure. Enter programming mode to clear.