System Fault Messages

A Fault message is generated when either a fault condition occurs, or a warning condition occurs three times within ten minutes. The table below shows the possible fault messages and what actions need be taken.

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 fault condition occurs while the input power is abnormal and the UPS is in Bypass mode the UPS will shut down the output to prevent load equipment damage.

When a Fault condition exists, the red LED on the UPS display panel will illuminate until the fault is cleared.

Display

Meaning

Action

BYPOH

Bypass Overheat – Overheating

Check unit for blocked or in-operable fan. Lower am-

 

condition occurred.

bient temperature if it is greater than 104 °F (40 °C).

 

 

Bypass operation will also cease if overheat condition

 

 

is not corrected within 1 hr. of inverter shutdown. Try

 

 

restarting. If condition re-occurs plan for total shut-

 

 

down and call for service.

BYPOL

Bypass Overload – UPS is over-

Shut down excess equipment to reduce load.

 

loaded.

 

CHRGOV

Charger Overvoltage – Charger

UPS is possibly faulty. Check the UPS operation

 

overvoltage condition occurred.

conditions at time of fault. Not advisable to restart the

 

 

UPS. Call for service.

CLMT

Current Limit – Load on UPS out-

Reduce load on UPS output.

 

put exceeds unit specifications.

 

DCIB

DC Bus Imbalance – DC voltage

Possible causes are UPS fault are connection of half-

 

imbalance occurred.

wave rectifier load. Check load and try restarting. If

 

 

condition persists, call for service.

DCOC

DC Bus Overcurrent – DC overcur-

UPS is possibly faulty. Check the UPS operation

 

rent condition occurred.

conditions at time of fault. Not advisable to restart the

 

 

UPS. Call for service.

DCOV

DC Bus Overvoltage – DC over-

UPS is possible faulty, input wiring error, input over-

 

voltage condition occurred.

voltage or connection of a motor load. Try restarting. If

 

 

condition persists call for service.

DCUVBS

DC Bus Undervoltage during

UPS is possibly faulty. Check the UPS operation

 

Boostup Mode – DC Bus under-

conditions at time of fault. Not advisable to restart the

 

voltage condition occurred.

UPS. Call for service.

DCUVC

DC Bus Undervoltage During

UPS is possibly faulty. Check the UPS operation

 

Charging Mode – DC Bus under-

conditions at time of fault. Not advisable to restart the

 

voltage condition occurred.

UPS. Call for service.

DVCOH

Device Overheat – Overheating

Reduce equipment load to 100% or less and try

 

condition occurred.

restarting.

FSOPEN

Fuse Open.

Replace fuse.

INVOLNR

Inverter Overload (Not Reset-

Reduce equipment load to 100% or less and manually

 

table) – Output overload condition

restart the UPS.

 

occurred.

 

62

1600XP Series Installation and Operation Manual

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Toshiba 1600XP manual System Fault Messages, Display Meaning Action
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1600XP specifications

The Toshiba 1600XP is an advanced multifunction printer that showcases Toshiba's commitment to innovation and reliability in office technology. Designed to meet the demands of modern businesses, the 1600XP integrates several features and technologies that enhance productivity while ensuring high-quality output.

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