Cloos NexT 452 AC, Operating Instructions Manual

Page: 202 / 234

202
No. Error message on the display Possible cause Remedy
514
Protective conductor
monitoring
Current in the protective
conductor exceeded
Wiring error
 Service
516
Error primary current
transformer
Primary current sensor for
monitoring the symmetrical
supply.

Service
517 Error 24V outputs
24V for pre-load (X21) and QWD
(X8)
 Service
518 Error 24V outputs
24V cooling module (X5) and
peripherals (X6)

Service
519
Software version PLD out-of-
date
Incomplete software update  Service
520
…
529
Temperature sensor power
unit defective ! Cable break, short-circuit,
incomplete plug connection
 Service
530
Temperature difference heat
sink
Difference between temperature
sensor on primary and secondary
side too large

Service
531
Temperature difference heat
sink AC module
Difference between temperature
sensor on primary and secondary
side too large
 Service
532 Incorrect device coding Device type not recognised  Service
533 Wrong power class Unknown power class  Service
534
Error when loading the
alignment values The set values do not match the
checksum.

Service
535 Error inverter PLD!
Only for CW processes: Error
during re-ignition after
polarity change. Check welding
parameters (arc interruptions
due to arc blow?)
 Switch machine Off and On
 Check plug and connections

Service
536
…
541
Temperature sensor AC
module defective! Cable break, short-circuit,
incomplete plug connection
 Service
544
Excess temperature AC
module Overheating of the module,
Device dirty
 Let the machine cool down
 Check filter mats and change if
necessary
 Clean machine with dry air
 Clean heat sink
 Check sensors (service)
553 Driver coding faulty
Version of driver hardware and
software do not match.

Update to suitable software version via
Service
554 Primary overcurrent Error in inverter
 The error is reset after approx. one
minute.
 Service
555
Transmission error control
PCU Interface between control and
PCU faulty.

Service
580 Overflow BMP memory
Memory area for image files is
faulty. (MasterPlus)

Service
581 Overflow BMP address
Memory area for image files is
faulty. (MasterPlus)
 Service