Tests, service, troubleshooting
83
RCMS460-490_D00067_03_M_XXEN/12.2017
7.3.2 Device error display (channel-related)
LED "ALARM 1“ lights up. The programmed common alarm relay switches. The
following text appears on the display of the RCMS…-D:
Line 1: Fault,
Alarm 1 of 1 pending alarm.
Line 2: Alarm status and alarm text.
No alarm
Prewarning
Alarm, fault
Line 3: Error code (refer to „Display device error“ on page 82).
Line 4: BMS bus address of the RCMS and measuring channel on
which the alarm has occurred.
Possible causes:
W…AB series measuring current transformers are not calibrated.
Incorrect basic programming of the RCMS.
Wrong p.c.b. assembly at four channels in succession.
Internal memory fault.
Faulty channels after test.
The device errors remain saved until the "RESET“ button is pressed. An entry is
stored in the history memory with the suffix "Device error".
If a device error continues to exist after a reset has been carried out, the
RCMS… has to be replaced.
Fault 1/1
Device error
11
Addr.: 2 Chan.: 4
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