Mitsubishi Electric 1100B Series, Руководство технического владельца

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MITSUBISHI ELECTRIC 1100B SERIES UPS
1100B SERIES UPS
OWNERS / TECHNICAL MANUAL
Page Number:
6-7
Code
indication
(Note 2)
Status
message
Meaning
External relay
contact
(Note 1)
MF320
UPS CONTROL CIRCUIT
ERROR Cable disconnection in the parallel interface board
during load supply.
Major
MF376
UPS CONTROL CIRCUIT
ERROR
Logic signal abnormal (Supply ON) Minor
MF552 DUMMY FAULT Bypass Module send fault simulation signal. Major
(Note 1) 1) "Major" is defined as a major failure. The load is transferred from the inverter circuit to
the static bypass line
2) "Minor" is defined as a minor failure. The UPS continues to operate normally, but the
cause of alarm must be identified
(Note 2) Code indication means:
#A+++ ----------------------- Alarm
#F+++ ----------------------- Failure
#%0++ ---------------------- Rectifier circuit failure
#%1++ ---------------------- DC circuit failure
#%2++ ---------------------- Inverter circuit failure
#%3++ ---------------------- Control circuit failure
#%4++ ---------------------- Bypass system failure
#%8++ ---------------------- Alarm
“#” Bypass Module “U”, Power Converter Module “M”
“+” denotes any numeral from 0 to 9
“%” denotes either “A” or “F”