Edwards nEXT200200 - Fail Signal or Standby Signal Not Working; Yellow Service LED Is Flashing a Repeated Sequence; The Red Alarm LED Is on; The Red Alarm LED Is Flashing

Fault Fail signal or standby signal not working
Cause The serial enable line is not acv
e.
Remedy Must be disconnected or driven high for use of standby and fail lines.
Cause Slide switch is not in the correct posion f
or RS232 or RS485.
Remedy Le for RS485, right for RS232.
Right for parallel control and monitoring.
Fault Yellow service LED is ashing a repeated sequence
Cause A service is necessary.
Remedy Refer to Flashing ser
vice codes on page 79.
Fault The red alarm LED is on
Cause The red alarm LED is on is normal during the soware upgrade process.
At other mes, if the red alarm LED is on it shows a problem is detected in the FLASH
memory.
Remedy If soware is upgrading, complete the upgrade process.
If the red alarm LED is on at other mes:
• restart the system
• upgrade the soware (if restarng the system does not correct the fault) .
Fault The red alarm LED is ashing
Cause A fail c
ondion has acvated.
Remedy Note the posion of the long ashes in the series of 6 ashes to nd the error code.
Refer to Flashing error codes on page 82 and obey the instrucons.
Fault Other problems
Cause Fault c
ondions other than previously menoned.
Remedy Contact us or the supplier.
8.1 Flashing service codes
When a service is necessary, the standard once per revoluon ash on the yellow status
LED is changed to a service ash code. Refer to Table: Flashing service codes on page 79
for the service ash codes.
Table 23 Flashing service codes
Service ash
c
ode
Comments Acons
LED on 1sec
LED o 1sec
Oil cartridge service
r
ecommended
We recommend you to replace the oil
cartridge. Refer to Service on page 89.
Page 79
B85200880_D - Fault nding