MITSUBISHI |
| 9800A SERIES UPS |
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ELECTRIC | OWNERS / TECHNICAL MANUAL |
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UF166 | IGBT FAULT (A) |
| IGBT module (A) overcurrent |
| CALL SERVICE | [2] | Major | Lit on | |
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UF167 | IGBT FAULT (B) |
| IGBT module (B) overcurrent |
| CALL SERVICE | [2] | Major | Lit on | |
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| ENGINEER | |||||||
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UF168 | IGBT FAULT (C) |
| IGBT module (C) overcurrent |
| CALL SERVICE | [2] | Major | Lit on | |
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UF201 | INVERTER |
| Output overvoltage during inverter | CALL SERVICE | [2] | Major | Lit on | ||
OVERVOLTAGE |
| power supply (+ 15%) |
| ENGINEER | |||||
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UF202 | INVERTER |
| Output low voltage during inverter | CALL SERVICE | [2] | Major | Lit on | ||
UNDERVOLTAGE |
| supply |
| ENGINEER | |||||
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UF203 | INVERTER |
| Inverter output overcurrent |
| CALL SERVICE | [2] | Major | Lit on | |
OVERCURRENT |
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| ENGINEER | ||||||
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UP204 | OUTPUT CIRCUIT |
| Cross current fell out of 30% |
| CALL SERVICE | [2] | Major | Lit on | |
ABNORMAL |
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| ENGINEER | ||||||
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UF209 | 52C ABNORMAL |
| 52C not turned ON |
| CALL SERVICE | [2] | Major | Lit on | |
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UF210 | 52C ABNORMAL |
| 52C not turned OFF |
| CALL SERVICE | [2] | Major | Lit on | |
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UF213 | INV. OR CONV. |
| Overheating of main circuit parts | CALL SERVICE | [2] | Major | Lit on | ||
OVERTEMPERATURE | ENGINEER | ||||||||
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UF214 | COOLING FAN |
| Abnormality of cooling fan inside | CALL SERVICE | [2] | Major | Lit on | ||
ABNORMAL |
| panel |
| ENGINEER | |||||
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UF255 | 52C ABNORMAL |
| 52C turned OFF during inverter | CALL SERVICE | [1] | Minor | Flicker | ||
| power supply |
| ENGINEER | ||||||
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UF256 | OUTPUT VOLTAGE |
| Inverter output voltage fell out of | CALL SERVICE | [1] | Minor | Flicker | ||
ABNORMAL |
| +/- 5% |
| ENGINEER | |||||
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UF257 | 52C ABNORMAL |
| 52C not turned OFF when manual | CALL SERVICE | [1] | Minor | Flicker | ||
| transfer |
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UF258 | LOAD ABNORMAL |
| More than 4 overcurrents for 10 | CHECK LOAD | [1] | Minor | Flicker | ||
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UF259 | Output voltage bus |
| Inverter output voltage bus |
| CALL SERVICE | [1] | Minor | Flicker | |
abnormal |
| abnormality |
| ENGINEER | |||||
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| After UA810 occurred, Bypass |
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UF260 | LOAD SHORT |
| Abnormal occurred within 1 |
| CHECK LOAD | [1] | Minor | Flicker | |
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| second. | (#1) |
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UF301 | UPS CONTROL CIRCUIT | Control microcomputer |
| CALL SERVICE | [2] | Major | Lit on | ||
ERROR |
| abnormality |
| ENGINEER | |||||
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UF302 | UPS CONTROL CIRCUIT | Control microcomputer |
| CALL SERVICE | [2] | Major | Lit on | ||
ERROR |
| abnormality |
| ENGINEER | |||||
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UF303 | UPS CONTROL CIRCUIT | Control microcomputer |
| CALL SERVICE | [2] | Major | Lit on | ||
ERROR |
| abnormality |
| ENGINEER | |||||
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UF304 | UPS CONTROL CIRCUIT | Parallel control circuit abnormality | CALL SERVICE | [2] | Major | Lit on | |||
ERROR |
| ENGINEER | |||||||
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MITSUBISHI ELECTRIC 9800A SERIES UPS