Troubleshooting and fault elimination
6-1
L MA9300PLC EN 1.4
6 Troubleshooting and fault elimination
• You can recognise immediately whether a fault has occurred through display elements or
status information.
(^ 6-1, chapter “Troublehooting”)
• The error can be analysed
– with the history buffer
(see ’Online Help’ in GDC; codes C0168, C0169 and C0170’)
– and the list of “Error messages”.
(^ 6-3)
• The list of error messages indicates how to eliminate the fault. (^ 6-3)
6.1 Troubleshooting
Display on the controller
Two LEDs on the front of the controller indicate the controller status.
LED green LED red Cause Check
n o Controller enabled; no error
« o Controller inhibit, switch-on inhibit C0183; or C0168/1
o « Fail C0168/1
n « Warning, fail-QSP C0168/1
n :on o :off « : blinking
Display on the keypad
Status messages in the display indicate the controller status.
Display Controller status Check
RDY Controller ready for operation, controller can be inhibited C0183, C0168/1
IMP Pulses at the power stage inhibited C0183, C0168/1
I
max
Max. current reached
M
max
Max. torque reached
Fail Error through TRIP, message, fail QSP or warning C0183, C0168/1
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