Emerson 2000IW - Chapter 3: Schematics

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4.2.3 Ultrasonic Power
Fan does not work; power
On/Off indicator does not
light when On/Off switch is
On.
Make sure welder plugged into
main power.
N/A
Inspect line cord assembly;
replace if faulty.
N/A
Inspect Circuit Breaker (CB1);
replace if faulty.
Chapter 3:
Schematics
Chapter 5:
Assembly/
Disassembly
Check line voltage N/A
Table 4.2 Fan Troubleshooting
Problem Cause / Solution Refer to
Table 4.3 Ultrasonic Power Troubleshooting
Problem Cause/Solution Refer to
No ultrasonic power to horn during weld
cycle. The following conditions exist
during the weld cycle:
• No overload alarm (Error 18 IW, Error 19
IW+) displayed
• POWER BARGRAPH displays brief or no
indication;
• welder completes weld cycle; and
• welder tunes properly
Failed or disconnected
Output Control
connection.
N/A