System Fault Messages - Toshiba UE3G2L036C61T Instruction Manual

Display Screens (cont'd)

System Fault Messages

When an abnormal operating condition occurs the following fault message will be displayed
FAULT (BYP OPER)
OUT-OV DC-OV >
Press
Cancel
Reset
OR
Key:
LCD Message
DC-OC
OUT-OV
OUT-UV
DC-OV
OVERLOAD
DC-UNBALANCE
OVERHEAT
TOSHIBA
If the input voltage is normal when the fault occurs then the UPS
will switch immediately to the bypass mode to continuously feed
power to the load. If the input power is abnormal while in the
bypass mode the UPS will shut down the output to prevent load
equipment damage.
to view the messages explaining the system fault (the ">" indicates other faults:
LED Message
Meaning: DC overcurrent condition occurred.
Red
Action: UPS is probably faulty. Check the UPS
LED
operating conditions at time of fault. Not advisable
On
to try restarting. Call for service.
Meaning: Output overvoltage condition occurred.
Red
Action: UPS is probably faulty. Check the UPS
LED
operating conditions at time of fault. Not advisable
On
to try restarting. Call for service.
Meaning: Output undervoltage condition occurred.
Red
Action: UPS is probably faulty. Check the UPS
LED
operating conditions at time of fault. Not advisable
On
to try restarting. Call for service.
Meaning: DC overvoltage condition occurred.
Red
Action: UPS is possible faulty, input wiring error,
LED
input overvoltage or connection of a motor load. Try
On
restarting. If condition persists call for service.
Red
Meaning: Output overload condition occurred.
LED
Action: Reduce equipment load to 100% or less
and try restarting.
On
Meaning: DC voltage unbalance occurred.
Red
Action: Possible causes are UPS fault or
LED
connection of half-wave rectifier load. Check load
and try restarting. If condition persists, call for
On
service.
Meaning: Overheating condition occurred.
Action: Check unit for blocked or in-operable fan.
Red
Lower ambient temperature if 40° C or greater.
LED Bypass operation will also cease if overheat
condition is not corrected within 1 hr. from inverter
On
shutdown. Try restarting and if condition re-occurs
plan for total shutdown and call for service.
40
Meaning/Action