30
Err | PE (code no.53)
Cause: Ground (earth) fault
Remedy: remove earth fault. Configure machine in insulated state. Check earth
current watchdog and change if necessary.
Err | tF1 (code no.11), Err | tF2 (code no.12), Err | tF3 (code no.13), Err | tF4 (code
no.14), Err | tF5 (code no.15)
Cause: temperature sensor fault (short circuit or interruption)
Remedy: check cable harness and change temperature sensor
Err | tF6 (code no.16)
Cause: fault on BPS PC board or on the connection to BPS PC board
Remedy: check ribbon cable. Change BPS PC board.
Err | tF7 (code no.34)
Cause: temperature sensor fault on UST
Remedy: Changing UST PC board
Err | tF8 (code no.64)
Cause: in conjunction with thermostat option: cooling unit temperature sensor fault
Remedy: check cable harness. Change temperature sensor.
Err | 027 (code no.27)
Cause: one of the supply voltages is outside the tolerance range
Remedy: Change UST
Err | 049 (code no.49)
Cause: Phase failure
Remedy: Check the mains fuse, the mains supply lead and the mains plug
Err | 050 (code no.50)
Cause: voltage intermediate circuit balance error
Remedy: see fault flowchart Err 50 if available.
If there is a voltage of +5 V on the UST from X6/26 - X7/8, change BPS.
If there is a voltage of 0 V on the UST from X6/26 - X7/8 0V, change UST.
Err | 051 (code no.51)
Cause: mains undervoltage: The mains voltage has dropped below the tolerance
range
Remedy: check mains voltage
Err | 052 (code no.52)
Cause: mains overvoltage: The mains voltage has exceeded the upper limit of the
tolerance range
Remedy: check mains voltage
Err | 054 (code no.54)
Cause: Wire stick control has tripped
Remedy: remove short circuit on filler wire
Err | 056 (code no.56)
Cause: In conjunction with wire-feed unit and „wire-end check“ option: no wire
available
Remedy: insert new wire spool
Table of service
codes
(continued)
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