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Protection Item
Internal Overheat
lCd message
Cause
High ambient temperature
operation mode
Shutdown – no output
After Fault
Audible Alarm
Visible Alarm
relay Contact
Alarm
Auto-retransfer
Preventive Maintenance/Parts Replacement
Preventive Maintenance
toshiba 1600Xp Series of uninterruptible power systems have been designed to provide years of trouble-
free operation requiring a minimum of preventive maintenance.
the best preventive measure that the UpS user can take is to keep the area around the unit, particularly the
air inlet vents, clean and free of moisture and dust accumulations. if the atmosphere of the installation site
is very dusty, use a vacuum cleaner to periodically remove dust accumulations around and from the unit.
Only a qualified Toshiba representative should be allowed to perform any
routine maintenance or service on this equipment other than those preventive
maintenance details which are described directly above this caution.
Cleaning the Touchscreen
The touchscreen display is covered with a protective Teflon coating. It should be cleaned with a clean,
damp cotton cloth to avoid scratching the coating.
68
BUILT-IN UPS FAULT PROTECTION FUNCTIONS (CONT'D)
oVerHeAt
Fan failure;
Chopper malfunction
bypass operation – Chopper and inverter are stopped
yes – Continuous buzzer
CAUTION
DC Circuit
Overvoltage
dC-oV
inverter ol – transfer to bypass
red Fault led on
Fault relay closed
bypass relay closed
no
1600Xp Series installation and operation manual
DC Circuit
Overcurrent
dC-oC
inverter/chopper fault
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