DO129: FPO-C14RS
PLC
DO128: FPO-A21
Analog Unit
DO127: FPO-PAS1
Power Supply
DO165: Single Turn
Potentiometer /
Transducer
DT User preset
values have
changed to 0 or
some other
arbitrary number
PLC may have seen a power
spike or component may have
been effected by RF noise.
Cycle power and recheck
values, reset with DAU if
necessary.
Red Error Light is
flashing.
PLC may have seen a power
spike or component may have
been effected by RF noise.
Cycle power and verify if error
clears, otherwise, replace
PLC item or return to
manufacturer for program to
be cleared.
Door moves 1/2
open with full
open signal is
given and RTDP
reads full open.
Dipswitch #4
must be ON and
all others OFF
No power light &
no 24 VDC
output.
Replace DO127
Power Supply
Door shuts off at
frame & oscillates
AND/OR continues
to try and AutoClose
and will not open
unless given a slight
push.
Door is resting
against frame
ABOVE the
AutoClose preset.
Rotate transducer
until below
AutoClose preset
value.
General I/O Information for PLC:
Input Lights: Output Lights:
X0 - Open Y0 - Hi Speed Fwd/Open
X1 - Partial Y1 - Hi Speed Rev/Close
X2 - Close Y2 - Low Speed Fwd/Open
X3 - Knife Edge Y3 - Low Speed Rev/Close
X4 - Stop
X5 - Presence Sensor
X6 - Push Open/Push Close
Component Specific Problems