Kjellberg SmartFocus 300 Short Instruction Manual page 90

Power source Smart Focus 300
Pos : 17.129 /Stromq uell en/Smartfoc us/F ehl ertabelle @ 13\mod_1413204833342_19.doc x @ 207796 @ @ 1
current- relevance
display
ER 2
Error power
source
ER21
Transfer arc
ER22
Main arc
ER24
Pilot arc
ER25
Actual current
detected
ER27
Fuse PBA defect
ER28
Torch solenoid
valve
ER 3
Error torch
ER31
Transfer arc
ER32
Main arc K1
ER34
Pilot arc
ER35
Actual current
detected
ER 4
Pilot arc time
ER 5
Ignition time
ER 6
Main arc inter-
ruption
74
LED-display
LED-signal lamp
yellow H31
"Cumulative error"
(13) lights and LED-
signal lamp yellow
H32 "Process error"
(14) flashes
LED-signal lamp
yellow H31
"cumulative error" (13)
ON
LED-signal lamp
yellow H32 "Process
error" (14)
LED-signal lamp
yellow H32 "Process
error" (14)
LED-signal lamp
yellow H32 "Process
error" (14)
cause
current relay
K1.x "main source" or
K2 "current flows" or
K3 "current pilot
source flows" is pulled
or voltage at the torch
without "torch ON"-
signal
current relay K3
current relay K1
current relay K2
Current flow without
ON signal
check measuring
cable cathode voltage
and fuse F1 in PBA
Voltage of torch
solenoid valves not
OK
current flow during
gas preflow
short circuit at the
torch
Current relay K3
Current relay K1
Currnt relay K2
Current flow with ON
signal
pilot arc time
exceeded
HV ignition time
exceeded or no
ignition
arc interruption during
cutting (main source)
end or fault clearance
remote control: inform
press "FB OFF" the
stop "torch ON" service!
switch OFF unit, check
torch and consumables
remote control:
press FB OFF
CNC: stop ON
remote control:
press FB OFF
CNC: stop ON
end after ca. 1 s