Errors Whose Specification Is Changed By Safety Monitoring Functions - Mitsubishi Electric CR800-R Instruction Manual

Error number
Error message
Cause
H8270 *
Solution
Error message
H8290 Cause
Solution
Error message
Cause
H8291
Solution
Error message
Cause
H8292 *
Solution
6.2 Errors Whose Specification Is Changed by Safety Monitoring
Functions
The specification of the following errors changes when the safety monitoring function is enabled.
(1) To reset the following errors while the safety monitoring function is enabled, reset the power supply.
Table 6-2 Errors whose specification is changed by safety monitoring functions
Error number
H0039
H0046
H0049
H0051
H0061
H0071
H0074
H1680
H1681
H1682
H1683
System bus error
A system bus error was detected.
・ Check the extension cable connection.
・ Check the mounting status of the module.
・ Take measures to reduce noise.
・ If the error occurs again, the possible cause is a hardware failure of the CPU
module, I/O module, master/local module, base unit, or extension cable. Contact
the manufacturer.
Safety connection error
A safety connection has not been established with the master station of the
communication destination.
Perform operation after safety connection has been established.
Safety connection timeout
Failed to establish the safety connection.
Check the conditions of the master station (communication destination), network
devices in the communication path, and wiring.
To change the timeout time settings, use the parameter "SCESTTM".
Out of range (Parameter: SCESTTM)
Safety connection timer value is out of range.
Check and correct the parameter "SCESTTM" for the safety connection
establishment timer.
Faulty wiring (Door Switch)
Faulty wiring (Mode sel. switch)
Faulty Line (T/B Enable Switch)
Faulty wiring (External EMG)
Faulty line (O/P EMG)
Faulty line (T/B EMG)
Faulty line (T/B Enable/Disable)
Cannot servo ON (timeout)
Unexpected servo OFF
Servo ON Timeout(Safety relay)
Servo ON Timeout.(Contactor)

Errors Whose Specification Is Changed by Safety Monitoring Functions 6-87

Error causes and solutions
Error message
6 TROUBLESHOOTING