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1.5 When a Fault Occurs
When a serious fault occurs, perform the following procedure to prevent further damage and to return the
equipment to service as soon as possible.
(1) Record the fault message displayed on the operation panel.
<Standard type operation panel>
Fault code (number) appears after “Fl-”.
“FI-“ display
Display change
Fault code (number) display
Fault code, fault symbol and their explanation are shown in the Fault Code Table on the next page.
<High function type operation panel>
Fault symbols (alphabet) are displayed. In order of fault occurrences, from first to tenth faults are displayed.
If the right arrow or enter button is pressed, it will alternate a comment display.
Active Fault Display
1.FUSE_
62
2.BLR_
159
3.AC_MCCB_
155
4.UVA
222
5.UV_READY
287
--- RESET FAULT NOW ---
Active Fault Display
1.IGBT Fuse
62
2.E Critical Fault
159
3.AC In MCCB Opn
155
4.E Ready Cnd Met
222
5.Elect Cond Met
287
--- RESET FAULT NOW ---
(2) Collect the trace back data.
Collect the data recorded in the non-volatile memory in the unit.
The latest 6 or 7 portions of trace back data are stored.
PC that maintenance tool is installed (option) can replay the trace back data.
(3) Check the apparent operating state of the equipment.
Perform the safety check described earlier before performing this check.
In addition, to recover from the fault, see "8 Fault and Recovery".
•
Only use parts stipulated by Toshiba as replacements. Use of any parts other than those stipulated by
Toshiba may result in the equipment not being able to perform as desired, and also may result in safety
problems. If there are no spare parts on hand, order parts from Toshiba, or have Toshiba replace the
parts.
•
This equipment includes parts that require periodic replacement. See "6.4 Parts to be Regularly
Renewed", for details. Be sure to order these parts in advance, since delivery may take time.
The three digits code appears after “Fl-” on the standard operation panel is indicated in Table 1.5.1.
•
When a fault occurs, please wait for 30 seconds before “Fault-reset-operation”.
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