Rate and give feedback:
Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document.
Note: Even the most advanced machine translation cannot match the quality of professional translators.
Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
Critical Alarms
- The LCD backlight automatically turns on when a critical alarm is generated.
- The buzzer keeps buzzing when there is a critical alarm. If manual alarm clearance is enabled, ten seconds after you exit the setting screen, the device restores the initial status of manual alarm clearance and cancels critical alarms.
Table 4-8 Critical alarms
Code |
Display |
Meaning |
|---|---|---|
02 |
Overtemperature |
|
03 |
Battery overvoltage |
|
05 |
Output short-circuit detected by the internal converter |
|
06 |
Output overvoltage |
|
07 |
Download timeout |
|
08 |
Bus overvoltage |
|
09 |
Bus soft-start failure |
|
50 |
PFC overcurrent |
|
51 |
Output overcurrent |
|
52 |
Bus undervoltage |
|
53 |
UPS soft-start failure |
|
55 |
DC overvoltage in AC output |
|
57 |
Current sensor fault |
|
58 |
Output undervoltage |
|
60 |
Load backfeed |
|
71 |
Inconsistent parallel versions |
|
72 |
Parallel current equalization fault |
|
73 |
Inconsistent parallel output voltage settings |
|
80 |
Parallel CAN communication fault |
|
81 |
Parallel host signal lost |
|
82 |
Parallel synchronization signal lost |
|
83 |
Inconsistent parallel battery voltage detection |
|
84 |
Inconsistent parallel mains detection |
|
87 |
EPO triggered |
