Amada Miyachi Unitek STA-100A, Operation Manual, Page: 60 / 154

CHAPTER 4: OPERATING INSTRUCTIONS
STA SERIES AC CONTROLS
4-12 990-351
SCHEDULE 01
WELD 1 CURRENT EXCEEDED HIGH LIMIT.
1. REPROGRAM WELD 1 CURRENT.
2. INCREASE WELD TRANSFORMER RATIO.
3. INCREASE W1 HIGH LIMIT AT THE
MONITOR SCREEN.
PRESS RESET BUTTON TO RESUME WELDING.
SCHEDULE 01
WELD 1 CONDUCTION ANGLE EXCEEDED LIMIT.
PRESS RESET BUTTON TO RESUME WELDING.
IF PROBLEM CONTINUES, INCREASE THE W1
COND. LIMIT AT THE MONITOR SCREEN.
PRESS RESET BUTTON TO RESUME WELDING.
SCHEDULE 01
WELD 2 CONDUCTION ANGLE EXCEEDED LIMIT.
PRESS RESET BUTTON TO RESUME WELDING.
IF PROBLEM CONTINUES, INCREASE THE W2
COND. LIMIT AT THE MONITOR SCREEN.
PRESS RESET BUTTON TO RESUME WELDING.
CONDUCTION ANGLE REACHED FULL PHASE
(180
DEGREES)
REDUCE % HEAT SETTING
PRESS RESET BUTTON TO RESUME WELDING.
SCHEDULE 01
EXCEEDED STEPPER SCHEDULE LIMIT.
1. SERVICE ELECTRODES, RESET VALVE
COUNT FOR THE ASSOCIATED VALVE.
2. CHANGE TO A SCHEDULE WITH GREATER
STEPPER COUNTS.
3. PUSH RESET TO CONTINUE WITH THIS
SCHEDULE (AND REDISPLAY THIS MSG).
** IMPROPER SCHEDULE NUMBER DETECTED **
FOUND AN OUT OF RANGE SCHEDULE NUMBER.
VALID NUMBERS ARE 00 – 63.
PRESS THE RESET KEY AND CONTINUE.