MITSUBISHI |
| 9800A SERIES UPS |
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ELECTRIC | OWNERS / TECHNICAL MANUAL |
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UF305 | UPS CONTROL CIRCUIT | Control clock abnormality | CALL SERVICE | [2] | Major | Lit on | ||
| ERROR |
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| ENGINEER |
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UF306 | UPS CONTROL CIRCUIT | Control power source circuit | CALL SERVICE | [2] | Major | Lit on | ||
ERROR |
| abnormality | ENGINEER | |||||
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UF309 | INVERTER VOLTAGE | Inverter output voltage abnormality | CALL SERVICE | [2] | Major | Lit on | ||
ABNORMAL |
| before inverter power supply | ENGINEER | |||||
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UF352 | CONTROL POWER |
| Control circuit abnormality | CALL SERVICE | [1] | Minor | Flicker | |
SUPPLY ABNORMAL |
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UF402 | 52S ABNORMAL |
| 52S not turned OFF, or 52S turned | CALL SERVICE | [2] | Major | Lit on | |
| OFF without any command | ENGINEER | ||||||
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UF403 | CB3 ABNORMAL |
| CB3 not turned OFF | CALL SERVICE | [2] | Major | Lit on | |
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| 52S not turned ON, or 52S turned | CALL SERVICE |
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UF451 | 52S ABNORMAL |
| ON without any command when | [1] | Minor | Flicker | ||
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| manual transfer |
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UF452 | CB3 ABNORMAL |
| CB3 open | CALL SERVICE | [1] | Minor | Flicker | |
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UF453 | 52L OPERATION ERR. | 52L operated abnormality | CHECK 52L | [2] | Major | Lit on | ||
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| AC INPUT VOLTAGE OUT | AC input voltage fell out of +/- 15% | CHECK INPUT |
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UA801 | POWER | [1] | Alarm | - | ||||
OF RANGE |
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| INVERTER OVERLOAD |
| WARNING : |
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UA806 | Overload exceeded 105% (Note 7) | DECREASE | [1] | Alarm | - | |||
> 100% |
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| LOAD |
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| INVERTER OVERLOAD |
| WARNING : |
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UA808 | Overload exceeded 125% (Note 7) | DECREASE | [1] | Alarm | - | |||
> 125% |
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| LOAD |
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| INVERTER OVERLOAD |
| WARNING : |
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UA809 | Overload exceeded 150% (Note 7) | DECREASE | [1] | Alarm | - | |||
> 150% |
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| LOAD |
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| Momentary | WARNING : |
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UA810 | INVERTER OVERLOAD | DECREASE | [1] | Alarm | - | |||
Inverter power. | ||||||||
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| LOAD |
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UA811 | OVERLOAD TRANS. |
| Overload transfer | - | [1] | Alarm |
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UA812 | BYPASS VOLTAGE OUT | Bypass voltage fell out of +/- 20% | CHECK | [1] | Alarm | - | ||
OF RANGE |
| range | BYPASS INPUT | |||||
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UA813 | BYPASS PHASE |
| Phase rotation is inverted when | CHECK | [1] | Alarm | - | |
ROTATION ERROR |
| bypass voltage is normal | BYPASS INPUT | |||||
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| BYPASS FREQUENCY | Bypass frequency fell out of | CHECK |
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UA814 | inverter synchronization | [1] | Alarm | - | ||||
OUT OF RANGE |
| BYPASS INPUT | ||||||
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| range |
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MITSUBISHI ELECTRIC 9800A SERIES UPS