Note 3 |
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| Note 1 |
| Note 2 |
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Code | Status message | Meaning | Guidance | Buzzer | External |
| Failure |
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indication | relay contact |
| lamp |
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UF301 | UPS CONTROL | AD reference has an abnormal value. | CALL SERVICE | Continuous | Major |
| Lit on | |
CIRCUIT ERROR | ENGINEER | sound |
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UF302 | UPS CONTROL | Detection of an external interruption during | CALL SERVICE | Continuous | Major |
| Lit on | |
CIRCUIT ERROR | the software execution. | ENGINEER | sound |
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UF303 | UPS CONTROL | Timer does not reset in the specified period | CALL SERVICE | Continuous | Major |
| Lit on | |
CIRCUIT ERROR | (WDT settings) | ENGINEER | sound |
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UF305 | UPS CONTROL | Detection of an abnormal clock speed in the | CALL SERVICE | Continuous | Major |
| Lit on | |
CIRCUIT ERROR | DSP or FPGA. | ENGINEER | sound |
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UF306 | UPS CONTROL | Control power supply voltage is below the | CALL SERVICE | Continuous | Major |
| Lit on | |
CIRCUIT ERROR | specified level. | ENGINEER | sound |
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| INVERTER |
| CALL SERVICE | Continuous |
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UF309 | VOLTAGE | Inverter voltage is out of the specified range. | Major |
| Lit on | |||
ENGINEER | sound |
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| ABNORMAL |
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| CONTROL POWER | MMS backup control power supplies exhibit | CALL SERVICE | Continuous |
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UF310 | SUPPLY | Major |
| Lit on | ||||
abnormal condition. | ENGINEER | sound |
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| ABNORMAL |
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UF320 | UPS CONTROL | Cable disconnection in the parallel interface | CALL SERVICE | Continuous | Major |
| Lit on | |
CIRCUIT ERROR | board during load supply. | ENGINEER | sound |
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UF323 | UPS CONTROL | Major communication error during parallel | CALL SERVICE | Continuous | Major |
| Lit on | |
CIRCUIT ERROR | operation. | ENGINEER | sound |
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UF331 | UPS CONTROL | Gate driver abnormal for phase U (Note 4) | CALL SERVICE | Continuous | Major |
| Lit on | |
CIRCUIT ERROR | ENGINEER | sound |
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UF332 | UPS CONTROL | Gate driver abnormal for phase V (Note 4) | CALL SERVICE | Continuous | Major |
| Lit on | |
CIRCUIT ERROR | ENGINEER | sound |
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UF333 | UPS CONTROL | Gate driver abnormal for phase W (Note 4) | CALL SERVICE | Continuous | Major |
| Lit on | |
CIRCUIT ERROR | ENGINEER | sound |
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UF334 | UPS CONTROL | Gate driver abnormal for chopper (Note 4) | CALL SERVICE | Continuous | Major |
| Lit on | |
CIRCUIT ERROR | ENGINEER | sound |
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| CONTROL POWER | SMS backup control power supplies exhibit | CALL SERVICE | Intermittent |
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UF352 | SUPPLY | Minor |
| Flicker | ||||
abnormal. | ENGINEER | sound |
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| ABNORMAL |
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UF363 | UPS CONTROL | Synchronization error signal is being | CALL SERVICE | Intermittent | Minor |
| Flicker | |
CIRCUIT ERROR | received for a considerable time. | ENGINEER | sound |
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UF371 | UPS CONTROL | Minor communication error during parallel | CALL SERVICE | Intermittent | Minor |
| Flicker | |
CIRCUIT ERROR | operation. | ENGINEER | sound |
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| UPS CONTROL | Unable to synchronize the inverter output | CALL SERVICE | Intermittent |
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UF372 | and the bypass voltage when the bypass is | Minor |
| Flicker | ||||
CIRCUIT ERROR | ENGINEER | sound |
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| normal. |
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UF374 | UPS CONTROL | Cable disconnection in the parallel interface | CALL SERVICE | Intermittent | Minor |
| Flicker | |
CIRCUIT ERROR | board. | ENGINEER | sound |
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UF375 | UPS CONTROL | Unable to achieve synchronization for | CALL SERVICE | Intermittent | Minor |
| Flicker | |
CIRCUIT ERROR | parallel operation. | ENGINEER | sound |
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UF376 | UPS CONTROL | No control response from another UPS | CALL SERVICE | Intermittent | Minor |
| Flicker | |
CIRCUIT ERROR | although its detection is possible. | ENGINEER | sound |
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UF377 | UPS CONTROL | Overload detection signal is being received | CALL SERVICE | Intermittent | Minor |
| Flicker | |
CIRCUIT ERROR | continuously for a considerable time. | ENGINEER | sound |
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UF378 | UPS CONTROL | No answer for sending synchronizing signal. | CALL SERVICE | Intermittent | Minor |
| Flicker | |
CIRCUIT ERROR | ENGINEER | sound |
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UF379 | UPS CONTROL | Abnormal clock speed of the parallel control | CALL SERVICE | Intermittent | Minor |
| Flicker | |
CIRCUIT ERROR | board processor. | ENGINEER | sound |
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G9000 Installation and Operation Manual | 81 |
