CHOWEL PATC--150A-EU, Instruction Manual

Page: 42 / 73

CHOWEL / PATC-150A-EU
- 33 -
6-7-3 Monitor data for each schedule no.
. Y71 POWER FACTOR
This item indicates the power factor of the weld transformer used for welding.
To update the learning, perform welding for several times after installation before
referring to this item.
. Y72 TRANSFORMER MARGIN
This item indicates the maximum value of the current allowance percentage of
the weld transformer during the weld sequence.
. Y74 AVERAGE TEST CURRENT
This item indicates the quasi-average value of the test current after the line
voltage fluctuation is compensated for.
. Y75 BREAK DECISION
This item indicates the frequency that the test current is judged to be
continuously lower than the BREAK DETECTION LEVEL.
6-8 Fault detection
Fault is checked for at the time of power on, inactive status, start and sequence
end and alarm the detection according to its cause.
6-8-1 Fault detection items
The followings are the typical times, details and remedies of fault for each fault
code. Use them for troubleshooting.
. E01 CONTROLLER FAILURE
This fault is checked for when the power is turned on.
If the fault is fatal due to the detect of the memory I.C, output to or
communication with the external will be impossible.
If the controller failure indicator will be turned ON and the communication to the
external is impossible, replace the timer unit.