4.5 Error Log228 Utility— #1001 Illegal interrupt— #1002 Soft WDT overflow4.5.3 Error Message TablesError Log (Major)Table 67Error Code Error Message Cause#1000 Hard WDT overflow Overflow of the watchdog timer occurs for the followingreasons.a) external circumstances, such as induction noiseb) hardware is defective.#1001 Illegal interrupt The CPR software is terminated by executing illegalinstruction.#1002 Soft WDT overflow The CPR software is terminated by executing infiniteloop.#1100 TSW clock down The TSW clock malfunction occurs because of TSW cardconnection error or TSW card clock link failure.#1101 Basic shelf DC power down The Basic shelf DC power malfunction occurs for thefollowing reasons.a) AC power cord is unplugged.b) Power Failurec) Power Switch of the Basic Shelf is turned off.d) Malfunction of Power Supply Unit of the BasicShelf, or the trouble with the Power Supply System(Backboard, CPU card) of the Shelf#1102 Expansion shelf 1 DCpower downThe Expansion shelf DC power malfunction occurs forthe following reasons.a) Power switch of the Expansion Shelf 1 is turnedoff.b) Malfunction of Power Supply Unit of theExpansion Shelf, or the trouble with the PowerSupply System (Backboard, CPU card) of theShelf
