Toshiba T42F3F500XAMBN User Manual - Page 62

Caution, Warning

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TOSHIBA Protection Item LCD Message Cause Operation Mode after Fault Audible Alarm Visible Alarm Relay Contact Alarm Auto-Retransfer Memory error (EERR) MAIN EEPROM ERROR Control board chip error Start is inhibited Internal overheat (OH) OVERHEAT; INTERNAL Fan failure; high ambient DC circuit overvoltage (DCOV) DC OVERVOLTAGE Chopper malfunction DC circuit overcurrent (DCOC) DC OVERCURRENT Inverter / chopper fault Bypass operation; chopper and inverter are stopped Yes; continuous buzzer RED fault lamp "ON" Fault relay closed; bypass relay closed NO 8.0 Start-up/Scheduled Maintenance/Part Replacement 8.1 Start-up The startup of the UPS equipment is broken up in several steps. These steps are as follows: 1. Initial Condition: This is where the service technician checks the unit for physical damage and verifies the installation of the UPS (electrically). 2. Static Checks: This step verifies the proper settings within the UPS logic. 3. Wiring Check: The wiring to (power cables) and from (control wires) the battery cabinet. 4. Main Voltage Check: The input voltages are checked to verify they are within the range. 5. Energizing the UPS: This step begins the internal self-checks within the processor logic. 6. Output Voltage Check: The output voltages are checked to verify they are within range. 7. EPO (Emergency Power Off): The EPO is operated to verify its operation in case of an emergency. 8. Load Testing: Performed if load is available. 9. Generator Testing: Performed if Generator is available. 10. Internal/External Maintenance Bypass: This verifies the proper operation of the Maintenance Bypass. 8.2 Preventive Maintenance The TOSHIBA 4200FA Uninterruptible Power Systems have been designed to provide no 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. Schedule authorized TOSHIBA service centers to perform an internal parts inspection semi-annually. CAUTION Before performing any maintenance the technician should be familiar with and follow the important safety instructions within this manual. WARNING Proper maintenance of the battery system of this unit by a qualified service technician is essential to the safety and reliability of your UPS system. Schedule authorized TOSHIBA service centers to perform internal parts inspections semi-annually. 4200FA CT/XT User's Manual 61

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TOSHIBA
Protection Item
Memory error (EERR)
Internal overheat
(OH)
DC circuit
overvoltage (DCOV)
DC circuit overcurrent
(DCOC)
LCD Message
MAIN EEPROM ERROR
OVERHEAT; INTERNAL
DC OVERVOLTAGE
DC OVERCURRENT
Cause
Control board chip error
Fan failure; high ambient
Chopper malfunction
Inverter / chopper fault
Operation Mode
after Fault
Start is inhibited
Bypass operation; chopper and inverter are stopped
Audible Alarm
Yes; continuous buzzer
Visible Alarm
RED fault lamp “ON”
Relay Contact
Fault relay closed; bypass relay closed
Alarm
Auto-Retransfer
NO
8.0 Start-up/Scheduled Maintenance/Part Replacement
8.1
Start-up
The startup of the UPS equipment is broken up in several steps. These steps are as
follows:
1.
Initial Condition: This is where the service technician checks the unit for physical
damage and verifies the installation of the UPS (electrically).
2.
Static Checks: This step verifies the proper settings within the UPS logic.
3.
Wiring Check: The wiring to (power cables) and from (control wires) the battery
cabinet.
4.
Main Voltage Check: The input voltages are checked to verify they are within the
range.
5.
Energizing the UPS: This step begins the internal self-checks within the processor
logic.
6.
Output Voltage Check: The output voltages are checked to verify they are within
range.
7.
EPO (Emergency Power Off): The EPO is operated to verify its operation in case
of an emergency.
8.
Load Testing: Performed if load is available.
9.
Generator Testing: Performed if Generator is available.
10. Internal/External Maintenance Bypass:
This verifies the proper operation of the
Maintenance Bypass.
8.2
Preventive Maintenance
The TOSHIBA 4200
FA
Uninterruptible Power Systems have been designed to provide no
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.
Schedule authorized TOSHIBA service centers to perform an internal parts inspection
semi-annually.
CAUTION
Before performing any maintenance the technician should be familiar
with and follow the important safety instructions within this manual.
Proper maintenance of the battery system of this unit by a qualified service
technician is essential to the safety and reliability of your UPS system.
Schedule authorized TOSHIBA service centers to perform internal parts
inspections semi-annually
.
WARNING
4200FA CT/XT User’s Manual
61