GEA Grasso Manual page 89

Grasso
Refrigeration Division
4 SYSTEM DESCRIPTION GSC
The system LEDs are located on the front of the GSC. These system LEDs provide information about the status of
the controller.
4.1 Explanation of the system LED
The position of the system LED is given in Chapter 1.2, Fig.1.3.
Meaning of the status and error displays
Display Meaning
SF (red) C7-CPU-centralised
fault
BATF (red) Battery error
DC5V Voltage supply
(green) for C7
FRCE Force application
(yellow)
RUN Operating state
(green) RUN of the C7-CPU
STOP Operating state
(yellow) STOP of the C7 CPU
Switching module -
SF-IM (red)
centralised fault
Alarm active
!
(red)
Help Help text available
(green)
Shift Switch over
(green) function active
01.2002/ 0
Explanation
Lights up for:
- Hardware errors
- Firmware errors
- Programming errors
- Parameterising errors
- Computational errors
- Time errors
- Faulty internal memory storage
- Battery failure or if standby supply missing for MAINS ON
- Peripheral error in the internal peripheral functions
Further information about the malfunction that has occured can be read
out of the diagnosis memory using the PG.
Lights up, if battery
- does not have enough voltage,
- is defective,
- is missing.
lights up, if the internal DC 5V supply is OK.
lights up, if a force application is active.
lights up, if the C7 CPU application program is running.
flashes (2Hz) during the C7 CPU start up (the STOP lamps also lights up;
after the STOP lights go off, the outputs are released).
lights up, if the C7 is not processing a CPU-application program.
flashes at 1-second intervals, if C7 CPU general reset(MRES) is required.
lights up, if the connection between C7 and the extension rack is
interrupted.
lights up, if a malfunction has been confirmed, but is still active.
flashes, if a further malfunction has been activated.
lights up, if a help text is available.
lights up, if the SWITCHOVER function is active.
638660E_chapter4.doc
GRASSO SYSTEM CONTROL
Chap. 4 - 1