Mitsubishi Electronics 9700 Series technical manual Mitsubishi, Series Ups, Page Number, Electric

MITSUBISHI

9700 SERIES UPS

Page Number:

ELECTRIC

OWNERS / TECHNICAL MANUAL

6-4

UA812

BYPASS VOLTAGE OUT

Bypass voltage fell out of +/- 20% range

5

[1]

Note 5

￿

231

OF RANGE

UA813

BYPASS PHASE

Phase rotation is inverted when bypass voltage

5

[1]

￿

￿

242

ROTATION ERROR

is normal

UA814

BYPASS FREQUENCY

Bypass

frequency fell

out

of

inverter

5

[1]

Minor

￿

243

OUT OF RANGE

synchronization follow-up range

Note 5

UA816

EXTENDED BYPASS

Bypass power supply continued for many hours

￿

[1]

￿

￿

244

OPERATION

UA817

EMERGENCY STOP

Emergency stop applied

13

[2]

Minor

Flicker

232

ACTIVATED

UA819

REMOTE SWITCH

There is an error with the remote start switch.

12

[1]

￿

￿

229

ON(START)

UA820

REMOTE SWITCH

There is an error with the remote stop switch.

12

[1]

￿

￿

230

ON(STOP)

UPS STOPPED

Transfer cannot be permitted because Bypass

UA821

(TRANSFER INHIBITED -

5

[1]

￿

￿

249

INVERTER AND BYPASS

voltage abnormal

ASYNCHRONOUS)

UA822

GENERATOR OPERATION

Transfer

cannot

be

permitted because

￿

[1]

￿

￿

246

, INHIBITED BYPASS

Generator operation contact is ON

OPERATION

UA823

CB1 OFF

AC input circuit breaker CB1 turned OFF

6

[1]

￿

￿

224

UA824

CB2 OFF

Battery disconnect circuit

breaker CB2

turned

7

[1]

￿

￿

225

OFF

UA826

CB101 OFF

Control

power

source

breaker

CB101

turned

8

[1]

￿

￿

226

OFF during inverter operation

UA827

52C NOT PERMITTED

"52C PERMISSION" switch turned to OFF

9

[1]

￿

￿

233

UA830

AC INPUT

AC input voltage fell out of - 10% range

3

[1]

￿

￿

234

UNDERVOLTAGE

UA831

EMERGENCY BYPASS

Emergency

bypass

switch

turned

to

10

[1]

￿

￿

245

SWITCH ON

<Emergency>

INTERRUPTED

When transfer

to

the

bypass

supply,

occurs

UA832

TRANSFER OCCURRED

5

[1]

￿

￿

248

WHEN TRANSFERRING

interrupted transfer.

TO BYPASS SOURCE

UA834

BATTERY DEPLETED

DC voltage dropped

below

discharge

end

10

[2]

Note 5

￿

255

during inverter operation

UPS STOPPED

Transfer cannot be permitted because Bypass

UA835

(TRANSFER INHIBITED -

￿

[1]

￿

￿

250

BYPASS INPUT

voltage is abnormal

ABNORMAL)

MITSUBISHI ELECTRIC 9700 SERIES UPS