WEG SRW 01, User Manual

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Diagnosis
SRW 01 | 7-1
7
7 DIAGNOSIS
The error, alarm, trip and fault diagnoses of the Control Unit (UC) can be done through the three SRW 01 status
leds or via HMI messages.
The following flashing messages are presented on the HMI display:
Alarm message: Indication “ALAr”.
Trip message: Indication “TriP”.
Error message: The error code appears flashing. E.g.: E0015 (phase loss) followed by a dot.
As long as it remains in Trip or error state, the dot keeps flashing.
The SRW 01 classifies the errors in:
„
Protection – Indicated through the Trip led:
- Trip: it stops the motor.
- Alarm: it does not stop the motor, it only signalizes the error.
„
System – indicated through the status led:
- Error: it stops the motor.
- Fault: it does not stop the motor, it only signalizes the error.
The parameters P014, P015 and P016 store the last, the second last and the current error respectively.
The Digital Expansion Unit (EDU) has three leds to signalize whether the device is energized, and to indicate the
status of the communication with the Control Unit (UC).
7.1 DIAGNOSIS VIA LEDS
Table 7.1: Control Unit (UC) status via led’s
Led Signalization Description
Status
Green Relay is ready to use
Flashing green Fault – does not switch off the motor
Flashing red Error – switches off the motor
Net
According to the communication manual of each protocol
Trip
Green Normal motor
Flashing green Alarm – does not switch off the motor
Flashing red Trip – switches off the motor
Table 7.2: Expansion Digital Unit (EDU) status via led’s
Led Signalization Description
On
Green Energized device
Off Deenergized device
Status
Green The device is in normal operation conditions
Flashing green The device has recovered from a
communication loss with the Control Unit (UC),
being necessary to perform an error reset
command at the UC in order to return to the
normal operation
Flashing red Device without communication with the Control
Unit (UC)