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20
Message
AC UNDERFREQ (3142)
9.01 FAULT WORD 1 b8
AC OVERFREQ (31A2)
AC OVERFREQ (3141)
9.01 FAULT WORD 1 b9
AC UNDERVOLT (31A1)
AC UNDERVOLT (3120)
9.01 FAULT WORD 1 b10
AC OVERVOLT (31A0)
AC OVERVOLT (3110)
9.01 FAULT WORD 1 b11
CAB TEMP1 HI (4181)
9.04 ALARM WORD 1 b0
CAB TEMP1 LO (4183)
9.04 ALARM WORD 1 b1
CAB TEMP2 HI (4185)
9.04 ALARM WORD 1 b7
CAB TEMP2 LO (4187)
9.04 ALARM WORD 1 b8
Update notice
Cause
x
NAMU grid monitoring has faulted.
x
NAMU grid monitoring has alarmed. Check group
x
NAMU grid monitoring has faulted.
x
NAMU grid monitoring has alarmed. Check group
x
NAMU grid monitoring has faulted.
x
NAMU grid monitoring has alarmed. Check group
x
NAMU grid monitoring has alarmed. Check group
x
Measured cabinet temperature has
reached alarm level 40 ºC.
x
Measured cabinet temperature has
reached alarm level -15 ºC.
x
Measured cabinet temperature has
reached alarm level 40 ºC.
x
Measured cabinet temperature has
reached alarm level -15 ºC.
What to do
Check group
44 GRID
MONITORING.
Check the grid condition.
44 GRID
MONITORING.
Check the grid condition.
Check group
44 GRID
MONITORING.
Check the grid condition.
44 GRID
MONITORING.
Check the grid condition.
Check group
44 GRID
MONITORING.
Check the grid condition.
44 GRID
MONITORING.
Check the grid condition.
44 GRID
MONITORING.
Check the grid condition.
Check the value of
1.36 CABINET
TEMP 1
and
1.37 CABINET TEMP
2.
Check the ambient conditions.
Check the air flow and fan
operation.
Check the line current against the
inverter nominal current.
Check group
24 REACTIVE
POWER.
Check the value of
1.36 CABINET
TEMP 1
and
1.37 CABINET TEMP
2.
Check the ambient conditions.
See
CAB TEMP1 HI
(4181).
See
CAB TEMP1 LO
(4183).
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