2
76 
E276 No main item is registered. 
 
Register main item. 
301 
E301 Operator No. is not exist. 
 
Check the operator No. 
302 
E302 Wrong password. 
 
Enter correct password. 
303 
E303 Sign on is not allowed. 
 
Check the setting of the operator. 
304 
E304 No registration. 
 
Items are not registered. 
305 
E305 Item code full. 
Item Code is now full. Please check the item code. 
310 
E310 Discount operation error  This discount operation is not allowed. Please check 
operation. 
311 * 
E311 Double discount error 
 
Double discount is not allowed. Please check 
operation. 
312 
E312 Void error.  Void operation is not allowed for specified item. If 
void is needed, then cancel the transaction and 
register items again. 
313 
E313 Quantity change error.  Changing quantity operation is not allowed for 
specified item. 
 
314 
E314 Add Check error.  Void Total(%-)/(%+) or Eat-in/Take-out(All) or Exempt 
and retry 
318 
E318 Not permit amount entry 
 
Please use without amount entry. 
319 
E319 Partial tender is not allowed. 
 
Tendered amount must be bigger or quall to subtotal, 
or finalize without amount tender. 
320 
E320 No target item is exist 
 
Please check the operation. 
321 
E321 i-Button key Error 
 
Please attach a correct i-Button key. 
322 
E322 i-Button key Error 
 
Please remove an i-Button key. 
 
900 
E900 Error input value. 
 
Check input value. 
910 
E910 Database access error.  If this error is shown when installation, please check 
database setup. If already using, please call 
manager. 
990 
E990 Data mismatch error  Some data has mismatch. Please check settings 
around this operation. 
 
 
147