ITEM C 3-Series User Manual

Service functions and error messages
Page 147
Error message
Meaning of the error message
Measures
Main
index
Sub index
Action:
This is an internal error in the module that should
not occur during operation.
 Check the operating conditions
(temperature, air humidity, condensation).
 Check the EMC wiring as specified and
screening design; are there any external
interference sources?
 Safety module may be faulty – is error
eliminated after replacing the module?
 Check whether new firmware for the servo
drive or a new version of the safety module
is available from the manufacturer.
59
1 FSM: Fail-safe mode supply/safe pulse
inhibitor
Cause: Internal error in module in failsafe supply circuit
section or in the driver supply for the upper and
lower switches.
Action: Module faulty, replace.
2 FSM: Logic failure / intermediate circuit Cause:
 Reference voltage 2.5 V outside tolerance.
 Logic supply overvoltage +24 V detected.
Action: Module faulty, replace.
3 FSM: Error internal power supply Cause: Voltage (internal 3.3 V, 5 V, ADU reference)
outside the permissible range.
Action: Module faulty, replace.
4 FSM: Error management, too many Cause: Too many errors have occurred simultaneously.

ITEM C 3-Series Specifications

General

Brand	ITEM
Model	C 3-Series
Category	Controller
Language	English