JT100/JT100 All Terrain Operator’s Manual Systems and Equipment - 183
Diagnostic Codes
503 -5V REF -5V reference error in ESID internal reference failure,
ESID may not give valid
readings
504 CLK RESP clock response error clock may not be working
505 LCD RESP LCD response error LCD display may not work
506 LED RESP LED response error LED display may not work
507 LCD CONTR LCD contrast error LCD contrast not saved
properly
508 COP RESET cop watchdog error processor has reset,
unknown status of ESID
code
510 STRB DVR strobe driver output error strobe may not function
511 HORN DVR horn driver output error horn may not function
512 BAT POWER battery power/horn driver
error
strike hold on power may not
function
513 TEST WIRE no continuity on test wire for
testing ESID
display may not be able to
reset ESID
515 STR VOLT strike voltage input error
516 STR COIL strike current input error
517 POST AC V self test ac voltage input
error
self test of ac voltage stake
failed
518 POST AC I self test ac current input
error
self test of ac current coil
failed
519 POST DC V self test dc voltage input
error
self test of dc voltage input
amplifier failed
520 POST DC I self test dc current input
error
self test of dc current input
amplifier failed
521 V NOT GND strike voltage input stake not
grounded
self test of voltage stake
failed
541 ESID PHYS ERR errors on the CAN Bus
totaling 275 have been
logged
code is stored in ESID
542 ESID BUS OFF ESID has shutdown CAN
communications
CAN information is no longer
transmitted to display
546 MAIN NG FAIL ESID has not received the
Node Guard message from
the Main Controller
ESID access via the CAN
BUS may not work, but ESID
will still sound strike alarms
essential
Code Display Condition Result Severity
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