SNR UPS-ONT-010-BXL31 [31/34] Trouble shooting

SNR UPS-ONT-020-BXL31 [31/34] Trouble shooting
Trouble Shooting
High Performance 10-20k UPS
29
If the faulty load is removed, please manually fault clear to restart
UPS.
47
Rectifier fault
DC bus over voltage, low voltage, shorted or IGBT opened. Please
manually clear the fault and if the fault is still on, please contact with
local dealer
49
Inverter fault
Inverter voltage is abnormal, or inverter IGBT opened. Please
manually clear the fault and fi the fault is still on, please contact with
local dealer
51
Rectifier over
temperature
Rectifier heatsink is over temperature or the temp sensor is not
connected correctly.
Check if fans are working normally
Check if any thing block ventilation
Check if the sensor is connected correctly
Check if the environmental temp is over the range of UPS
53
Fan fault
One or more fans are faulty or blocked
Check if all fans working normally
Check if something blocks fan
55
Overload
Inverter is overload. Please remove numbers of non critical loads, or
else UPS could transfer to bypass
57
Over load timeout
UPS will transfer to bypass and if bypass overload, output could be
shutdown caused by bypass overload timeout. Please remove
numbers of loads and the UPS will transfer back to inverter
59
Inverter over
temperature
Inverter heat sink is over temperature or the temp sensor is not
connected correctly.
Check if fans are working normally
Check if any thin block ventilation
Check if the sensor is connected correctly
Check if the environmental temp is over the range of UPS
63
Manual transfer to
bypass
If bypass is over synchronization range, output could be interrupted
if manually transfer to bypass
65
Battery low
Remained battery capacity is low when in battery mode
67
Battery reversed
Check if battery cables are connected correctly
Check if inverter cables of battery packs are connected correctly
69
Inverter protect
Inverter voltage abnormal or DC bus is over voltage. UPS will fault
clear automatically. If not, please contact with local dealer
78
Parallel cables error
Check if all parallel communication cables are connected correctly
81
Charger fail
Charger is faulty or is not disconnected. Please contact with local
dealer
119
Relay opened
Inverter relay is opened. Please contact with local dealer
121
Relay closed
Inverter relay is closed. Please contact with local dealer

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