CHOWEL PATC--150A-EU, Инструкция по эксплуатации

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CHOWEL / PATC-150A-EU
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7-2-2 The operation sequence is as specified.
a. Check the common program operation setting whether it is set at ON or OFF.
Make sure that, when the program is not used, it is set at OFF.
b. Check the sequence NO. operation setting whether it is set at ON or OFF.
Make sure that, when the program is not used, it is set at OFF.
c. Check the sequence time setting of the schedule NO..
Set the sequence time at 0 cycle or the minimum when the sequence is not
necessary.
7-2-3 The weld current is not as specified.
a. Check the select setting of the CURRENT CONTROL METHOD.
Note that the current setting items are not the same between the CONSTANT
CURRENT and VOLTAGE COMPENSATE.
b. Check the turns ratio setting of the weld transformer.
For the primary feedback, the error in the turns ratio setting result in the error
in the current.
c. Check the setting of the SPECIFIED CURRENT or the COMPENSATE
CURRENT.
Make sure that the applicable current setting items are not the same between
the SPECIFIED CURRENT and the COMPENSATE CURRENT.
d. If the current is not boosted, check the capacity of the welder.
It is impossible to control the welder exceeding the maximum current of the
welder.
7-3 Other trouble shooting
7-3-1 If any of the followings is the case, the fuse may be blown.
a. When the power is turned ON, there is no I/O indication.
Check the primary protection fuse (F1) in the contactor for blowing.
b. When any schedule is activated, the valve indicator is turned on, but the weld
gun does not press at all.
Check the press circuit protection fuse (F1) in the printed circuit board of the
timer for blowing.
c. When the power is turned ON, neither T/B nor R/B indicates at all.
Check the T/B and R/B power protection fuse (F2) in the PCB of the timer for
blowing.