Troubleshooting; Error Indication - Panasonic YD-500GP5 Operating Instructions Manual

11 Troubleshooting

● To ensure safety, troubleshooting work shall be done by qualified personnel.
● Make sure to turn off the power and other switches of all
before taking any actions for correcting an error.
*: Includes this product, the distribution box and other related devices (jigs, robots, etc.).
● In case of performing the inside inspection, make sure to work at least five minutes after
the power is turned off (for capacitor discharge).

11.1 Error indication

■ When a self-diagnosable error occurs, "Err" (for error) and error code can be displayed on the operation panel.
■ See the following table for details of the error codes.
(Note) About "Group" in the table
● Group "A": It is not necessary to turn power switch OFF. (The displays are automatically turned off when the cause is
removed.)
● Group "B": It is necessary to turn power switch OFF and back ON again. (The displays can NOT be automatically turned off
until the power switch is turned OFF even when the cause is removed.)
■ after connecting the power source, 7-segment display cannot be shown normally.
Err S/N Error type
Err 001 emergency stop
secondary over-
Err 002 current
error
temperature rise
Err 003
error
Troubleshooting
Touching the current-carrying parts may cause a fatal electric shock or
burn injury.
To prevent a physical accident, such as an electric shock, burn injury, etc., make sure to
observe the followings.
Group
The connection of external equipment emergency stop on the output terminal
block.
Turn power switch OFF, refer to the list below and remove the cause and then
B
turn power switch ON again.
malfunction from external equipment emergency stop.
malfunction from switch power source PCB in this equipment.
Over-current due to short-circuit in the secondary circuit or so on.
Turn welding gun switch OFF and remove the cause of the over current.
A
Rise in temperature inside this welding power source. Please do NOT turn OFF
the machine before the temperature in the Product decreases.
<Remedy>
Keep the input power in no load state and wait for a while. The error code
indication automatically turned off when the power source is cooled down.
Check and remove causes of over-heat.
A
Over duty cycle,
Air flow blocking at ventilation and cooling fan windows
If the problem cannot be solved by the above-mentioned
activities, please clean the cooling fan.
devices*
Probable causes and remedy
47
for safety reasons