Troubleshooting
Problem
Possible Cause
Corrective Action
Despite start signal (green
LED not illuminated)
dispensing does not
occur
No IN_STOP signal
(24 V DC with reference to GND_IO)
on pin 15
No IN_STOP signal
(24 V DC with reference to GND_IO) on pin 15
No IN_STOP signal
(24 V DC with reference to GND_IO)
on pin 15
No IN_STOP signal
(24 V DC with reference to GND_IO) on pin 15
Display:
Check battery
After switching on the device,
the back-up battery for the time
component is checked. In this case,
the battery level is too low to safely
store data.
Replace the battery. Refer to “Replacing the
Battery” on page 45.
Display:
Description too long
The Description field in a control
program file (refer to “Control
Programs” on page 33) on the
SD card is too long. The maximum
number of characters is 8000
(including all control characters).
Shorten the description and repeat the
download.
Display:
Error CAN
Faulty internal communication
Repeat the action. If the error persists, return
the device for service.
Display:
Error Flash / EEPROM
Faulty internal communication to
the Flash or EEPROM (e.g., due to
extreme electromagnetic interference)
Repeat the action. If the error persists, return
the device for service.
Display:
Error RTC
Faulty internal communication with
the time component (RTC—Real Time
Clock)
Repeat the action. If the error persists, return
the device for service.
NOTE:
Dispensing and other functionality
are not affected; however, under given
circumstances, false data / time is displayed
or false data / time information occurs when
uploading.
Display:
Memory error
Faulty internal communication to
EEPROM (e.g. ,due to extreme
electromagnetic interference)
Repeat the action. If the error persists, return
the device for service.
Display:
Container empty
Change container?
Execute
According to the calculation, the
indicated container is empty; no
response signal to PLC; dispensing
sequence is not automatically
interrupted; message appears every 5
minutes until container is changed
Check the quantity in the container and decide
whether to change the container (Enter) or
continue dispensing (ESC).
Continued on next page
PICO Controller 2+2-XCH-V2
46
www.nordsonefd.com [email protected]
+1-401-431-7000 Sales and service of Nordson EFD dispensing systems are available worldwide.
