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SYMPTOM
STOW & OSC LED’s on
monitor control station blink
rapidly when button pressed.
Unable to program STOW
pattern.
Monitor will not operate from
Y4E-COMM communication
interface box or
Ladder/Platform version
electronics enclosure.
POSSIBLE CAUSE
Loosen encoder wiring connection.
Bad motor encoder.
Program enable timer expired.
Incorrect wiring
Incorrect INPUTS configuration
REMEDY
Check axis encoder connection.
Interchange motor control boards. Check if problem
persists with same axis. If yes, replace motor.
Remove encoder cover and check for RED light just below
disk. If no light, encoder is bad. Replace motor.
Cycle power and enter STOW programming mode within
1 minute
Check blue & white communication wiring
Verify DIP switch #4 setting matches system wiring (ON
for voltage inputs, OFF for ground inputs).
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