Mitsubishi Electric MELSEC iQ-R Series User Manual page 483

Error code Error
(hexadecima
l)
7E60H Device monitoring
duplicate
registration error
7E61H Cycle time units
range error
7E62H PLC CPU
monitoring
function error
7E63H Transmission
method setting
error
7E64H Registration point
range error
7E66H Monitoring
condition error of
monitoring device
7E67H CPU error
monitoring setting
value error
7E68H Transmission
condition range
error of
monitoring device
7E69H CPU error
monitoring setting
value error
7E6AH Monitoring device
read point range
error
7E6BH to CPU error
7E6DH monitoring setting
value error
7E6FH Modem
connection error
7E70H CPU error
7E71H System error
7EC1H to System error
7EC2H
7EC3H Double send
request error
Description Signal
name
• Programmable controller 
CPU monitoring
registration was
performed twice.

• The setting value for the
cycle time units is out of
range.

• The setting value for the
programmable controller
CPU monitoring function
is out of range.

• The transmission method
setting for programmable
controller CPU monitoring
is incorrect.

• The total number of word
blocks and bit blocks
registered for
programmable controller
CPU monitoring is out of
range.

• The monitoring condition
is out of range.

• The setting value (fixed
value) for CPU error
monitoring is out of range.

• The setting value for the
transmission condition
(condition match send) is
out of range.

• The setting value (fixed
value) for CPU error
monitoring is out of range.

• The read point of the
monitoring device is out of
range.

• The setting value (fixed
value) for CPU error
monitoring is out of range.
• Modem is connected to an 
incorrect channel.
• The communication with C/N
the CPU module was not
performed normally.
• The operating system of 
C24 detected some error.

• The operating system of
C24 detected some error.
• A send request was sent 
again during processing of
the send request.
Corrective action Protocol
MC
• Cancel the programmable 
controller CPU monitoring and
perform the programmable
controller CPU monitoring
registration again.

• Correct the cycle time units
setting value.

• Correct the programmable
controller CPU monitoring
function setting value.

• Correct the transmission
method setting value.

• Correct the setting value so
that the total number of
registered word blocks and bit
blocks is within 1 to 10.

• Correct the monitoring
condition.

• Correct the setting value
(fixed) for CPU error
monitoring.

• Correct the setting value for
the transmission condition
(condition match send).

• Correct the setting value
(fixed) for CPU error
monitoring.

• Correct the setting value for
the monitoring device read
point.

• Correct the setting value
(fixed) for CPU error
monitoring.
• Correct the destination to 
which data is sent with the
modem function.

• If the CPU module side has an
error, remove the error and
restart data communications.
Page 490 Corrective actions
for system error
Page 490 Corrective actions
for system error
• Provide an interlock for send
requests.
Nonpr Bidire Prede
ocedu ctiona fined
ral l
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27 TROUBLESHOOTING
481
27.4 Error Code List
27