6 TROUBLESHOOTING
Errors Whose Specification Is Changed by Safety Monitoring Functions 6-87
Error causes and solutions
H8270 *
A system bus error was detected.
Solution
・
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
H8290
Cause
A safety connection has not been established with the master station of the
communication destination.
Perform operation after safety connection has been established.
H8291
Safety connection timeout
Failed to establish the safety connection.
Solution
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".
H8292 *
Out of range (Parameter: SCESTTM)
Safety connection timer value is out of range.
Solution
Check and correct the parameter "SCESTTM" for the safety connection
establishment timer.
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
Faulty wiring (Door Switch)
Faulty wiring (Mode sel. switch)
Faulty Line (T/B Enable Switch)
Faulty wiring (External EMG)
Faulty line (T/B Enable/Disable)
Cannot servo ON (timeout)
Servo ON Timeout(Safety relay)
Servo ON Timeout.(Contactor)
To Next Page
Loading...
