Take Corrective Action In The Following Procedure; Mounted Correctly On The Base Unit; General Specifications Range Of The Cpu Module; Are Normal According To The Manuals Of The Corresponding Modules - Mitsubishi QJ71C24/-R2 User Manual

10 TROUBLESHOOTING
Error code
Error
(Hexa-
decimal)
There is an error in the designation of the user frame
number.
7FE1
H
There is an error in the designation of the output head
pointer.
There is an error in the designation of the output frame
7FE2
Modern
H
number.
function
error
There is an error in the designation of the number of
7FE3
H
registered data bytes.
7FE4 There is an error in the data for connection.
H
There is an error in the designation of the no-
7FE5
H
communication interval time.
The number of remote password mismatch exceeded
7FE8
H
the value designated at the address 200D
Callback denial exceeded the value designated at the
7FE9
H
address 2002
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Error Contents
H
H

1 Take corrective action in the following procedure.

1) Check whether the Q series C24, power supply module and CPU module are

mounted correctly on the base unit.

2) Check whether the operating environment of the Q series C24 is within the

general specifications range of the CPU module.

3) Check whether the power supply capacity is sufficient or not.
4) Check whether the hardware of the Q series C24, CPU module and base unit

are normal according to the manuals of the corresponding modules.

If any module is faulty, please contact your local Mitsubishi service center or

representative for repair.

5) If the problem cannot be solved through the above steps, please consult your

local Mitsubishi service center or representative, explaining a detailed

description of the problem.

Signal
name
Recheck the user frame number.
Designate the registered user frame
number.
Register the designated data for
initialization.
Designate the output head pointer in
the range of 1 to 100.
Designate the position (n-th position)
where the data for initialization number
is designated.
Designate the data for initialization
number at the designated position
(n-th position).
Designate a registered data for
initialization number within the range of
the designated number of outputs from
CHn
the location of the output head pointer.
ERR.
Designate the data for initialization in
the range of 1 to 78.
Designate 80 for the data for
connection.
Recheck the message length of the
message for notification.
Designate the no-communication
interval time in the range of 0 to 120.
Clear the storage area of the
Accumulated count of unlock process
. abnormal completion (address: 22FC
to 0.
Clear the storage area of the callback
denial accumulated count (address:
22F1 ) to 0.
H
MELSEC-Q
Corrective action
)
H
Reference section
Section 3.4.3
Section 3.4.4
Section 3.4.5
Section 3.4.5
Section 3.4.3
Section 3.4.4
Section 3.4.4
Section 3.3.6
Section 3.3.3
Section 3.3.4
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