HENNESSY INDUSTRIES Coats IBS 2000, Service Manual And Troubleshooting Manual

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16 • Service Manual — COATS Model IBS 2000
Direct Drive
No LCD Display
Perfor m pre-
diagnostic check
(balancer must be
displaying
merchandising
message to proceed).
Ye s
N o
Is display
completely dar k?.
Is LCD display
blank?
Are LED's
displaying the
merchandise
message?
Is display
illedgible?
N o
Ye s
Does display
s h ow L C D E R R ?
Ye s
Ye s
Does it beep
5 seconds after
power on?
Replace display board
Adjust contrast
Ye s
Ye s
C h e ck L C D c a bl e
& L C D.
N o
Adjust contrast.
Are all AC & DC
voltages correct
Troubleshoot power
supply and AC
voltages.
N o
N o
Ye s
S e e K E Y PA D
problems. Does
this correct the
p r o bl e m ?
N o
N o
N o
Replace the
display board.
Adjust contrast. Tur n
Power Off. Hold down
the first rim key while
tur ning the power
back on. or use the
potentiometer on the
top of the display
board.
No LCD Display