When an internal relay fault is detected, relay protection operation is disabled, the green Ready LED begins to flash and the self-supervision output contact is activated.
An indication about the fault is shown as a message on the LHMI. The text Internal Fault with an additional text message, a code, date and time, is shown to indicate the fault type.
If an internal fault disappears, the green Ready LED stops flashing and the protection relay returns to the normal service state. The fault indication message remains on the display until manually cleared.
The self-supervision signal output operates on the closed-circuit principle.
- Normal conditions with empty application configuration
- DIO2001 pins 16 and 17 are closed, pins 16 and 18 are open.
- Normal conditions with application configuration
- DIO2001 pins 16 and 17 are open, pins 16 and 18 are closed.
- USB powered with or without application configuration
- DIO2001 pins 16 and 17 are closed, pins 16 and 18 are open.
The internal fault code indicates the type of internal relay fault. When a fault appears, the code must be recorded so that it can be reported to ABB customer service.
The display code format for internal faults is aa.bb.cc.ddd.ee.
- aa: Reserved for future
-
bb: Error domain
- 1: HW error
- 2: Runtime error
- 3: Communication error
-
cc: Component
- Range 0...11
- ddd: Error category
-
ee: Offset
- Range 0...255
Fault indication |
Error category |
Additional information |
---|---|---|
File system error |
7 |
A file system error has occurred |
Test |
8 |
Internal fault test activated by the user |
USB powered |
12 |
Device powered with USB |
RAM error |
80 1 |
Memory error |
ROM error |
81 |
Failure in internal NV memory |
PSU traceability invalid |
160 |
Invalid PSU card traceability data |
DIO traceability invalid |
161 |
Invalid DIO card traceability data |
AIU traceability invalid |
162 |
Invalid AIU card traceability data |
AIC traceability invalid |
163 |
Invalid AIC card traceability data |
HMI traceability invalid |
164 |
Invalid HMI card traceability data |
Product traceability invalid |
165 |
Invalid product traceability data |
LHMI LCD error |
166 |
Failure in LCD detection |
ARC card error |
170 |
Error in the ARC card |
AIU card error |
171 |
Error in the AIU card |
DIO card error |
172 |
Error in the DIO card |
AIC card error |
173 |
Error in the AIC card |
Firmware update error |
175 1 |
Software update failed |
CPU exception |
176 1 |
CPU exception |
HW config mismatch |
177 |
Mismatch between the HW configuration and the HW cards connected to the relay |
System Boot up failure |
179 1 |
Error during system bootup |
HMI Card error |
181 |
Error in the HMI card |
RTC Error |
182 |
Error in the RTC |
Device Resource error |
183 |
IRF triggered One of the mandatory files missing |
COM failure |
184 1 |
COM failure |
ADC Error |
185 1 |
Analog samples missing |
For further information on internal fault indications, see the operation manual.