Error Processing

 

 

Section 9-2

 

 

 

 

 

Error

Error

Auxiliary Area

Probable cause

Possible remedy

 

code (in

flag and word

 

 

 

A400)

data

 

 

 

 

 

 

 

I/O Table

80E0

A401.10: I/O

More than 5 Modules are connected.

Check whether the number of Modules is

Setting

 

Setting Error

 

incorrect. If the number of Modules is

error

 

Flag

 

incorrect, turn OFF the power supply and

 

 

 

 

correctly connect the Modules.

 

 

 

 

 

Cycle

809F

A401.08: Cycle

The cycle time has exceeded the

Change the program to reduce the cycle

Time

 

Time Too Long

maximum cycle time (watch cycle

time or change the System Setup’s maxi-

Overrun

 

Flag

time) set in the System Setup.

mum cycle time setting.

error

 

 

 

One way to reduce the cycle time is by

 

 

 

 

 

 

 

 

jumping parts of the program that aren’t

 

 

 

 

being used.

 

 

 

 

 

System

C101 to

A401.06: FALS

FALS has been executed in the pro-

Remove the cause of the user-defined

FALS error

C2FF

Error Flag

gram.

error indicated by the FAL number.

 

 

 

The error code in A400 will indicate

 

 

 

 

the FAL number. The leftmost digit of

 

 

 

 

the code will be C and the rightmost

 

 

 

 

3 digits of the code will be from 101

 

 

 

 

to 2FF hex, which correspond to FAL

 

 

 

 

numbers 001 to 511.

 

 

 

 

 

 

Non-fatal Errors

If the following LED indicator condition appears during operation (in RUN or MONITOR mode), it indicates that a non-fatal error has occurred..

Power Supply

 

 

Module Indicators

 

 

Unit Indicators

 

 

 

 

 

 

 

 

 

 

 

 

 

POWER

RDY

RUN

ERR

PRPHL

COMM1

COMM2

 

 

 

 

 

 

 

Lit

Lit

Lit

Flashing

---

---

---

 

 

 

 

 

 

 

The non-fatal error’s error contents will be displayed in the Error Tab in the CX-Programmer’s Error Window. Determine the cause of the error from the error message and related Auxiliary Area flags/words and correct the cause of the error.

Errors are listed in order of importance. When two or more errors occur at the same time, the more serious error’s error code will be recorded in A400.

Non-fatal Errors

Error

Error

Flag and word

Probable cause

Possible remedy

 

code (in

data

 

 

 

A400)

 

 

 

 

 

 

 

 

System FAL

4101 to

A402.15: FAL

FAL has been executed in program.

Remove the cause of the user-

error

42FF

Error Flag

The error code in A400 will indicate

defined error indicated by the FAL

 

 

 

number.

 

 

 

the FAL number. The leftmost digit of

 

 

 

the code will be 4 and the rightmost

 

 

 

 

3 digits of the code will be from 101

 

 

 

 

to 2FF hex, which correspond to FAL

 

 

 

 

numbers 001 to 511.

 

 

 

 

 

 

System Setup

009B

A402.10: Sys-

There is a setting error in the Sys-

Set the correct value in the System

error

 

tem Setup Error

tem Setup. The location of the error

Setup.

 

 

Flag

is written to A409.

 

 

 

A409: System

 

 

 

 

Setup Error

 

 

 

 

Location

 

 

 

 

 

 

 

Motion Control

0300

A402.05: Motion

An error occurred during cyclic

Turn the power OFF and ON again.

Module Moni-

 

Control Module

refreshing with the Motion Control

 

toring error

 

Monitoring Error

Module.

 

 

 

Flag

 

 

 

 

 

 

 

249

Page 272
Image 272
Omron FQM1-MMP21, FQM1-CM001, FQM1-MMA21 operation manual Non-fatal Errors, C2FF, Lit Flashing