Festo CMMS-ST-C8-7-G2 Assembly And Installation

8. Service functions and error messages
122 Festo.P.BE-CMMS-ST-G2-HW-EN 1008NH
Display Meaning
PH x Homing run. “x” represents the respective phase of the homing run:
0: Search phase
1: Slow moving phase
2: Travel to zero position
The digits are sequentially displayed
E xxy Error message with index “xx” and sub-index “y”
-xxy- Warning message with index “xx” and sub-index “y”. Warnings are shown at least
twice on the seven-segment display.
Table 8.1 Operating mode and error display
8.2.2 Error messages
When a fault occurs, the CMMS-ST displays an error message cyclically in the seven
segment display. The error message consists of an E (for error), a main index and sub-
index, e.g.: E 01 0.
The meaning and the measures for the error messages are compiled in the table below:
Error message
Main
index
Sub-
index
Meaning of error
message
Measures Error reaction
01 0 Stack overflow Wrong firmware?
Reload standard firmware if necessary.
Contact Technical Support.
PS off
02 0 Undervoltage
in intermediate circuit
Undervoltage monitoring is configured
using the FCT.
Measure intermediate circuit voltage.
Check configuration.
PS off
1)
0 Motor temperature
monitoring
Motor too hot?
Check parameters (current regulator,
current limits)
Correct sensor?
Cable broken?
Sensor defective?
If the error remains even when the sensor
is bridged: device defective.
PS off 03
1 Motor temperature
monitoring
Fault in dig. motor temperature sensor PS off
1)
04 0 Over-/under-temperature
in power electronics
Temperature display plausible?
Check installation conditions (cooling: via
the housing surface, the integrated heat
sink and back wall).
PS off
1)

Festo CMMS-ST-C8-7-G2 Specifications

General

Brand	Festo
Model	CMMS-ST-C8-7-G2
Category	Controller
Language	English