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PROBLEM
MACHINE FAILS TO SWITCH ON
MACHINE FAILS TO WELD
MACHINE
WELDS
BUT
CURRENT
SUPPLIED
INSUFFICIENT
FOR ANY OTHER PROBLEM NOT SPECIFIED IN THE ABOVE TABLE, PLEASE CONTACT THE SERVICING DEPARTMENT.
SIGNAL
LED G (ON) IS UNLIT
THE START LED (LED I) FAILS
TO LIGHT UP WHEN THE START
WELDING BUTTON IS PRESSED
(NON-WELDING POSITION)
LED
L
(THERMOSTAT
ACTIVATED) LIGHTS UP
LED R LIGHTS UP AND THE....
THE
BUZZER
SOUNDS
IS
INTERMITTENTLY FOR 10
SECONDS
CAUSE
POWER SUPPLY FAILURE
CHECK FUSES
THE SELECTOR IS SET TO D1
CHECK LINE PRESSURE
START WIRE OR MICROSWITCH
ON HANDGRIP MAY BE BROKEN
THE SOLENOID VALVE IS NOT
ENERGIZED, THEREFORE NO
AIR IS PASSED
THE WELDING TRANSFORMER
IS OVERHEATED
INVERTER THERMOSTAT HAS
TRIGGERED (CONTROL AT POS.
38)
AN ERROR HAS OCCURRED IN
THE INVERTER
A MATERIAL OF TYPE AND/OR
THICKNESS NOT COMPATIBLE
WITH
MACHINE
CHARACTERISTICS IS BEING
WELDED
THE
OPERATOR
RELEASED
THE
START
TRIGGER BEFORE EXPIRY OF
SET WELDING TIME
35
REMEDY
MAKE SURE THAT ALL THREE
PHASES
HAVE
CONNECTED AND CHECK FOR
POSSIBLE BREAKAGE IN THE
POWER SUPPLY CABLE
REPLACE BLOWN FUSES. IF
FUSES BLOW AGAIN, CONTACT
SERVICING
TURN SELECTOR TO D2/3/4
INCREASE PRESSURE TO AT
LEAST 3 BAR
CHECK THE INTEGRITY OF THE
COIL, THE SOLENOID VALVE OR
THE SIGNAL CABLE
CHECK THAT COOLING WATER
IS PROPERLY CIRCULATING
CHECK
THAT
INVERTER
COOLING FAN IS OPERATING
SWITCH THE MACHINE OFF AND
THEN BACK ON AGAIN. IF FAILURE
OCCURS AGAIN AT NEXT WELDING,
SPOT, SWITCH OFF THE MACHINE
AND CONTACT SERVICING
HAS
KEEP
START
PRESSED UNTIL WELDING IS
COMPLETED
BEEN
TRIGGER
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