YOKOGAWA UP35A, User Manual

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16-3
IM 05P02D41-01EN
Troubleshooting, Maintenance, and Inspections
16
Errors at Power On (Input/output Action)
Error
description
PV input
Ladder
calculation
Control
computa-
tion
Control
output
Retrans-
mission
output
Alarm
action
Analog out-
put (control
output, re -
transmission
output)
Voltage pulse
output (con-
trol output)
Relay output
(control out-
put, position
proportional
output)
Feedback
input (for
Position
proportional
type)
Contact
input
Contact
(alarm)
output
Communi-
cation
Faulty MCU
RAM
Faulty MCU
ROM
Undefined Stopped Stopped Undefined Undefined Stopped 0% or less OFF OFF Undefined OFF OFF Stopped
System data
error
Undefined Stopped Stopped Undefined Undefined Stopped 0% or less OFF OFF Undefined OFF OFF
Normal
action
User
(parameter)
default value
error
Normal action Normal action Normal
action
Normal
action
Normal
action
Normal
action
Normal action Normal action Normal action Normal action Normal
action
Normal
action
Normal
action
Setup
parameter error
Operation
parameter error
Program
parameter error
Control
parameter error
Non responding
hardware
of extended
function (E1
to E4-terminal
areas)
Undefined Normal action Normal
action
Normal
action
Normal
action
Normal
action
Normal action Normal action Normal action Normal action Normal
action
Normal
action
Normal
action
Calibration
value error
Normal
action (out of
accuracy)
Normal action Normal
action
Normal
action
Normal
action
Normal
action
Normal
action (out of
accuracy)
Normal action Normal action Normal action Normal
action
Normal
action
Normal
action
Faulty FRAM Normal action Normal action
Corrupted
ladder program Normal action
Normal action
(without
ladder
program)
Normal
action
Normal
action
Normal
action
Normal
action
Normal action Normal action Normal action Normal action Normal
action
Normal
action
Normal
action
User profile
error
Normal action Normal action Normal
action
Normal
action
Normal
action
Normal
action
Normal action Normal action Normal action Normal action Normal
action
Normal
action
PROFIBUS-DP/
DeviceNet/CC-Link
communication is
disabled
16.1 T
roubleshooting