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Recommended Spare Parts
Spare parts are an important part of downtime reduction. When parts in the drive have failed, on-
hand spare parts are necessary to shorten the mean time to repair (MTTR). Since replacement of discrete
components is time consuming, it is recommended that entire assemblies be replaced. Recommended
spare parts common to all drives are shown in the following tables. The recommended spare rate and
minimum amount can serve as references for the minimum number of spare parts relative to the total
number of drives on site. It is recommended that the quantity be determined in accordance with the number
drives on site. Many other parts are job specific. It is up to the end user to determine what other parts may
be needed.
Recommended Common Spare Parts **
Number of
parts per drive
Recommended spare parts
Product name Model/Rating
4160V/2300V
Spare
rate
Recommended
Min Q’ty
CTR Control board ARND-3110(*) 1 each 10% 1
GSD Gate signal distribution board ARND-3126B 1 each 10% 1
OLB Optical gate signal board ARND-8205(*) 3 each 10% 1
XIO External input/output board ARND-8120(*) 1 each 10% 1
VDET Voltage detection board ARND-3127(*) 3 each 10% 1
IPAD Keypad interface board PC61910PP114A 1 each 10% 1
DISP Display/keypad PC61910P116 1 each 10% 1
PS1 Control power supply FYX900/63T-BGEE 1 each 10% 1
GDI Earth fault detection ARND-8126A 1 each 10% 1
TEX Twin expansion board PC61910P123(*) 1/0 10% 1
Control Fuses * * 2 each 10% 2
Main Fuses * * 3 each 10% 3
Pt fuses * * 4 each 10% 4
Rectifier fuses * * 36/12 10% 4/2
Power modules*** * * 3 10% 1
Cooling Fans * * * 10% 1
* This data is job/inverter specific. Check the drawings for the specific inverter for this information.
** This is a general list of spares. Check the specific job drawings for other components that may need to be
spared.
*** It is recommended that failed power modules be replaced as a unit and that the failed modules
be returned to Toshiba for repair and testing.
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