Daihen OTC Welbee Inverter W400, Руководство пользователя

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9-3
Chapter 9 T
roubleshooting
T
ROUBLESHOOTING
T
ROUBLESHOOTING
C
HAPTER
9
9.2 Troubleshooting
This section explains the typical problems other than the error codes, their causes, and how to cope with
them.
Check the table below before requesting repair service.
E- 700 An over current was detected at
the output side of the welding
power source (*1)
• Check that the chip at the end of torch is not contacting the base metal.
• Check that the power cables such as cables for base metal side and torch
side are not short-circuited.
• The error code will disappear when the power switch is turned off.
E- 710 The phase W of input voltage for
primary side is not connected
(*1)
• Check that there is no problem in input voltage for primary side and in cable
wiring.
• The error code will disappear when the power switch is turned off.
E- 751 The temperature of the
reignition control circuit has
exceeded the allowable range.
The surge pressure of the
secondary side switch has
exceeded the allowable level.
• Leave it untouched (with the power on) and operate the cooling fan for 10
minutes or more, and then turn off the power.
• Avoid using an extension cable unnecessarily. Refer to "4.2.4.1
-
Caution on
connection of voltage detection cable".
E- 800
801 The rotation rate of the motor of
wire feeder was not detected
(*1)
• Check that there is no disconnection, short-circuit or other abnormalities in
the cables connecting the wire feeder.
• Check that there is no problem in the wire feeder.
• The error code will disappear when the power switch is turned off.
E- 810 The temperature of the governor
circuit exceeded the allowable
range (*1)
• Check that the wires are not stuck or there are no other abnormalities in the
welding torch or wire feeder.
• The error code will disappear when the power switch is turned off.
• The "E-820" indication will disappear when any key of the operation panel is
pressed.
E- 820 The current in the wire feeder
motor exceeded the warning
level (*2)
E- 830 The current in the wire feeder
motor exceeded the WARNING
detection level (*1)
E- 951 There is a duplicate ID on a
single bus (*1)
• Turn off the power switches of all other CAN-connected welding power
sources, then turn on the power switches and check the setting of internal
function F43. (
6.7.2.27
-
F43: CAN ID)
• The error code will disappear when the power switch is turned off.
• Before inspecting the welding power source, make sure to read "8.1
-
Precautions for
Maintenance and Inspection".
No. Problem Possible cause Corrective action
1 The power switch has tripped.
Leak has occurred in the
welding power source. DO NOT turn on the power switch. Contact your
dealer.
2
The power LED switch does not
light even when the power
switch is turned on.
The primary power source is not
supplied. Supply the primary power source between 340 to
460 V.
3
Nothing is displayed on the left/
right digital meters even when
the power switch is turned on.
Error
-
code Error cause Action and how to cancel error