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

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MITSUBISHI
ELECTRIC

9800A SERIES UPS

OWNERS / TECHNICAL MANUAL

Page Number:

6-2

MITSUBISHI ELECTRIC 9800A SERIES UPS

Failure

Code List

Table 6.1 Fault Code

Note 9

Note 1

Note 2 Note 3

Code

indication

Status message

Contents

Guidance

Buzzer

External

send-out

contact

Failure

lamp

UF003

CONVERTER

ABNORMAL

Preliminary charge impossible

CALL SERVICE

ENGINEER

[2] Major

Lit

on

UF006

CONVERTER

ABNORMAL

Mixed operation (60 minutes)

CALL SERVICE

ENGINEER

[2] Major

Lit

on

UF055

CONVERTER

ABNORMAL

Mixed operation (1 minute)

CALL SERVICE

ENGINEER

[1] Minor

Flicker

UF059

INPUT CIRCUIT

ABNORMAL

Input circuit abnormality

CALL SERVICE

ENGINEER

[1] Minor

Flicker

UF102 DC OVERVOLTAGE

Over voltage of DC voltage

CALL SERVICE

ENGINEER

[2] Major

Lit

on

UF103 DC UNDERVOLTAGE

Low voltage of DC voltage

CALL SERVICE

ENGINEER

[2] Major

Lit

on

UF108

CHOPPER

OVERCURRENT

Chopper output overcurrent

CALL SERVICE

ENGINEER

[2] Major

Lit

on

UF151

DC VOLTAGE

ABNORMAL

Does not return to float voltage

after power supply is resumed

(24 hours)

CALL SERVICE

ENGINEER

[1] Minor

Flicker

UF152

DC VOLTAGE

ABNORMAL

Does not return to equalizing

voltage after power supply is

resumed

CALL SERVICE

ENGINEER

[1] Minor

Flicker

UF153 CB2

ABNORMAL

Battery disconnect circuit breaker

CB2 has tripped.

CALL SERVICE

ENGINEER

[1] Minor

Flicker

UF156

CB2 TRIPPED(BATTERY

OVERTEMP.)

Battery temperature abnormality

(UF157) lasted a long time

(Note 5)

CHECK

BATTERY

[1] Minor

Flicker

UF157

BATTERY

OVERTEMPERATURE

Battery temperature abnormality

CHECK

BATTERY

[1]

Minor

Note 4

Flicker

UF161

CB2 TRIPPED(DC VOLT.

ABNORMAL)

Does not return to float voltage

after power supply is resumed

(48 hours) (Note 5)

CALL SERVICE

ENGINEER

[1] Minor

Flicker

UF162 BATTERY

ABNORMAL

Battery abnormal detected by

battery self test.

CALL SERVICE

ENGINEER

[1] Minor

Flicker

UF163

BATTERY VOLTAGE

ABNORMAL

Battery voltage abnormality

CALL SERVICE

ENGINEER

[1] Minor

Flicker

UF165 IGBT FAULT (CHOPPER)

IGBT module (Chopper)

overcurrent

CALL SERVICE

ENGINEER

[2] Major

Lit

on