40 NS3000 UPS 60KVA~120KVA User Manual
enable UPS to transfer to inverter.
42
Battery Volt Low
Battery Voltage is Low. Before the end of discharging, battery
voltage is low warning should occur. After this pre-warning,
battery should have the capacity for 3 minutes discharging with
full load.
43
Battery Reverse
Battery cables are connected not correctly.
44
Inverter
Protect
The N# Power Module Inverter Protect. Check:
Whether inverter voltage is abnormal
Whether inverter voltage is much different from other modules,
if yes, please adjust inverter voltage of the power module
separately.
45
Input
Neutral
Lost
The mains neutral wire is lost or not detected. For 3 phases
UPS, it’s recommended that user use a 3-poles breaker or
switch between input power and UPS.
46
Bypass Fan Fail
At least one of bypass module Fans Fails
47
Manual
Shutdown
The N# Power Module is manually shutdown. The power
module shuts down rectifier and inverter, and there’s on
inverter output.
48
Manual
Boost
Charge
Manually force the Charger work in boost charge mode.
49
Manual
Float
Charge
Manually force the charger work in float charge mode.
50
UPS Locked
Forbidden to shutdown UPS power module manually.
51
Parallel
Cable
Error
Parallel cables error. Check:
If one or more parallel cables are disconnected or not
connected correctly
If parallel cable round is disconnected
If parallel cable is OK
53
Lost
N+X
Redundant
Lost N+X Redundant. There is no X redundant powers module
in system.
54
EOD
Sys
Inhibited
System is inhibited to supply after the battery is EOD (end of
discharging)
55
Battery Test Fail
Battery Test Fail. Check if UPS is normal and battery voltage
is over 90% of float voltage.
56
Battery
Maintenance Fail
Check
If UPS is normal and not any alarms
If the battery voltage is over 90% of float voltage
If load is over 25%
57
Ambient
Over
Temp
Ambient temperature is over the limit of UPS. Air conditioners
are required to regulate ambient temperature.
58
REC CAN Fail
Rectifier CAN bus communication is abnormal. Please check
if communication cables are not connected correctly.
59
INV IO CAN Fail
IO signal communication of inverter CAN bus is abnormal.
Please check if communication cables are not connected
correctly.
Summary of Contents for NS3000 Series
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