Emerson 2000IW Maintenance Manual page 70

Table 4.6
Error
Code
Error 17
Error 18
Error 19
Error 20
Error 21
WARNING
Do not repair, replace or modify any part of the SV Safety Circuit.
Error 25
WARNING
Do not repair, replace or modify any part of the SV Safety Circuit.
60
Error Codes
IW IW+
LLS Function Latchable -
The LLS input met the
x conditions for an LLS error
as defined by the LLS
control DIP switches.
Power Supply Startup
Overload Latchable - The
x Power Supply overloaded
within the first 50 ms of
operation.
Power Supply Overload
Error Latchable - The AUPS
x x indicated a power supply
overload within the first 60
ms of operation.
NOVRAM Data Latchable -
The data read from non-
volatile memory did not
pass a data integrity check.
x If the power supply cannot
read the parameter settings
stored in NOVRAM at power-
up, the factory-set settings
are used.
SV Active Error Non-
Resettable - The SV drive
output did not meet the
x x requirements for activating
the SV. This error cannot be
cleared by RESET, or by the
external RESET input.
SV Deactive Error Non-
Resettable - The SV drive
output did not meet the
requirements for
x
deactivating the solenoid
valve. This error cannot be
cleared by RESET, or by the
external RESET input.
Description Cause/Solution
• Check DIP switch settings
(refer to your 2000IW/IW+
Operating Manual)
• Refer to 4.2.3 Ultrasonic
Power
• Test Ultrasonic Power Supply
module; replace if faulty
• Test converter-Booster-Horn
Stack
• Tune the welder
• Refer to 4.2.3 Ultrasonic
Power
• Check SV; repair or replace if
faulty
• Check Controller Module;
replace if faulty
• Check SV; repair or replace if
faulty
• Check Controller Module;
replace if faulty
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