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Type of fault
Overheating protection trips
frequently.
9.2
USER INTERFACE (UI) SOFTWARE-DISPLAYED ERROR CODES
The following table exhibits fault codes that may appear to assist in troubleshooting.
Severity Level Meaning (see Severity Level Column in table):
• (C) Critical Service Required - Unit not functional or locked, not recoverable
• (NC) Non-Critical - Service may be desired - unit functional with limited performance
• (W) Warning - Unit functional and will recover on its own
Error
Severity
Code
Level
001
W
PFC Heatsink, IGBT Heatsink or Main transformer has overheated > 85 C
002
W
Output diode Temperature fault, Analog temperature sensor.
003
W/C
Warning - If occurred during load/arc-start, cause is due to low input AC volts - Err009
Critical - If occurred at power-up under no-load condition.
DC Bus (400V) fault droop under load, PFC not supplying 400 to inverter.
004
C
Output voltage is above VRD levels when VRD switch is active
005 -
(reserved)
007
008
C
OCV error, Output voltage not sensed at Control Board CN1 as expected
009
W
Low Voltage Error, AC Mains voltage is less than 108 VAC, this could trip Err 003
010
(reserved)
011
C
User has attempted a parameter or factory reset, and this was not confirmed by the
system.
012
C
Communication Link Down, no communication between UI and Ctrl PCB at CN6
013
C
Low Internal Power Supply (IPS) Voltage Error, +24V IPS is less than 22VDC
014
C
Secondary Current Sensor output not detected at Control PCB CN18
015 -
(reserved)
019
020
C
No Image found in Flash
021
C
The image read from the flash is corrupted
022
NC
Failed two attempts of saving user memory to permanent memory in SPI Flash.
023
NC
Failed two attempts of recovering user memory permanent memory from SPI Flash.
TROUBLESHOOTING
Corrective action
•
Make sure that you are not exceeding the recommended
duty cycle for the weld current you are using.
See section "Duty cycle" in the OPERATION chapter.
•
Make sure the air inlets or outlets are not clogged.
•
Make sure fans are operating when welding.
Table 9-2. UI Error Codes
Functional Circuit Failure Explanation
9-3
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