beautypg.com

Mitsubishi electric – MITSUBISHI ELECTRIC 9800A SERIES UPS systems User Manual

Page 65

background image

MITSUBISHI
ELECTRIC

9800A SERIES UPS

OWNERS / TECHNICAL MANUAL

Page Number:

6-3

MITSUBISHI ELECTRIC 9800A SERIES UPS

UF166 IGBT FAULT (A)

IGBT module (A) overcurrent

CALL SERVICE

ENGINEER

[2] Major

Lit

on

UF167 IGBT FAULT (B)

IGBT module (B) overcurrent

CALL SERVICE

ENGINEER

[2] Major

Lit

on

UF168 IGBT FAULT (C)

IGBT module (C) overcurrent

CALL SERVICE

ENGINEER

[2] Major

Lit

on

UF201

INVERTER

OVERVOLTAGE

Output overvoltage during inverter

power supply (+ 15%)

CALL SERVICE

ENGINEER

[2] Major

Lit

on

UF202

INVERTER

UNDERVOLTAGE

Output low voltage during inverter

supply (-15%)

CALL SERVICE

ENGINEER

[2] Major

Lit

on

UF203

INVERTER

OVERCURRENT

Inverter output overcurrent

CALL SERVICE

ENGINEER

[2] Major

Lit

on

UP204

OUTPUT CIRCUIT

ABNORMAL

Cross current fell out of 30%

CALL SERVICE

ENGINEER

[2] Major

Lit

on

UF209 52C ABNORMAL

52C not turned ON

CALL SERVICE

ENGINEER

[2] Major

Lit

on

UF210 52C ABNORMAL

52C not turned OFF

CALL SERVICE

ENGINEER

[2] Major

Lit

on

UF213

INV. OR CONV.

OVERTEMPERATURE

Overheating of main circuit parts

CALL SERVICE

ENGINEER

[2] Major

Lit

on

UF214

COOLING FAN

ABNORMAL

Abnormality of cooling fan inside

panel

CALL SERVICE

ENGINEER

[2] Major

Lit

on

UF255 52C

ABNORMAL

52C turned OFF during inverter

power supply

CALL SERVICE

ENGINEER

[1] Minor

Flicker

UF256

OUTPUT VOLTAGE

ABNORMAL

Inverter output voltage fell out of

+/- 5%

CALL SERVICE

ENGINEER

[1] Minor

Flicker

UF257 52C

ABNORMAL

52C not turned OFF when manual

transfer

CALL SERVICE

ENGINEER

[1] Minor

Flicker

UF258 LOAD

ABNORMAL

More than 4 overcurrents for 10

minutes

CHECK LOAD

[1]

Minor

Flicker

UF259

Output voltage bus

abnormal

Inverter output voltage bus

abnormality

CALL SERVICE

ENGINEER

[1] Minor

Flicker

UF260 LOAD

SHORT

After UA810 occurred, Bypass

Abnormal occurred within 1

second. (#1)

CHECK LOAD

[1]

Minor

Flicker

UF301

UPS CONTROL CIRCUIT

ERROR

Control microcomputer

abnormality

CALL SERVICE

ENGINEER

[2] Major

Lit

on

UF302

UPS CONTROL CIRCUIT

ERROR

Control microcomputer

abnormality

CALL SERVICE

ENGINEER

[2] Major

Lit

on

UF303

UPS CONTROL CIRCUIT

ERROR

Control microcomputer

abnormality

CALL SERVICE

ENGINEER

[2] Major

Lit

on

UF304

UPS CONTROL CIRCUIT

ERROR

Parallel control circuit abnormality

CALL SERVICE

ENGINEER

[2] Major

Lit

on