Arc Machines 227 - Manual (Page 81)

MODEL 227
OPERATION MANUAL
Doc # 740063 Rev E
SECTION VII - CALIBRATION
7.6 SYSTEM FAULT CORRECTIONS Cont.
10. Cont.
In these cases check the input AC voltage first and insure that the M-227 is set for
the correct input Voltage. Another possible reason for no display or scrambled
displays is RF interference. Although the M-227 is protected against this, certain
conditions are still possible to occur that can cause this
Outside RF from another type or source such as a HF welding machine or a radio
transmitter near by could cause a problem. If these conditions continue contact
the AMI service Dept. for possible solutions.
7.7
ERROR MESSAGES
1. MEMORY CHECK
At Power On the weld schedule memory storage is checked for any type of
corruption. If any of the checks fail the system will display the following:
LIBRARY MEMORY ERROR RELOAD FROM EMM
PRESS PRINT FOR MEMORY STATUS REPORT
NOTE
When the print key is pressed any weld schedule with a directory or link
error will automatically be “DELETED”. Any schedule with a sum check
error will be flagged corrupted on the print out and the user should call
up that weld schedule and verify the parameter values.
A typical print out could look like this:
ARC MACHINES, INC. COPYRIGHT 1996
AMIWELD 227 1.5
SYS HOURS - xxxxx.x ARC HOURS - xxxxx.x
15 AUG 1996
SCHEDULE xxx DELETED
SCHEDULE xxx CORRUPTED PLEASE VERIFY
SCHEDULE xxx DELETED
SCHEDULE xxx DELETED
Use the M-227-EMM to restore the deleted schedules.
7.11