Cebora 366 Manual De Instrucciones página 45

CEBORA S.p.A.
13
At start up, no communication with
only 367,
Precharge board.
368)
14
Microprocessor supply voltage error,
(366 –
on Micro board.
"OFF")
16 Precharge board output DC voltage
(only 367, lower than allowed minimum value
368) (400 Vdc).
Master module "interlock" signal
20
missing.
EPLD Fault.
25
excessive.
Incorrect trimmer set on master
30
module.
"trG"
Start button
(53) overtemperature alarm reset.
Output voltage >48 Vac and no
voltage presence at Power Source
54
start up (short circuit between torch
and workpiece).
Time-out max. Short circuit lasting
56
time excessive.
Firmware
58
error.
L1 Mains Phase voltage lower than
61
minimum allowed value.
"tH1"
Inverter Igbt overtemperature.
(74)
"H2O"
Cooling liquid pressure low.
(75)
"nc"
Cooling Unit not connected.
(76)
"tH2"
Diode Group
(77) overtemperature.
"OFF"
Mains supply
(99) (only
Source power off).
367, 368)
3300279-C
Primary current
pressed at the
versions misalignment
and/or igbt
missing (Power
Check wiring between Precharge and Control boards.
Replace Precharge and/or Control boards.
Check fuses on service transformer primary side.
Check wiring between Control and Flyback boards.
Replace Control and/or Flyback boards and/or Service
Transformer.
Check mains voltage conditions. Make sure Rectifier
Bridge, DC-capacitors or Igbt Group are not in short
circuit. Replace Precharge and/or Control boards.
Check terminals 3 and 4 of J1 on TA board (367, 368)
(or J8 of igbt board on 366) are connected between
them. Replace TA (or igbt board on 366) and/or
Control boards.
Replace Control and/or Driver and/or igbt and/or TA
boards. Replace inverter
Transformer and/or secondary Diode Group.
Perform trimmer adjusting procedure on Control board,
following Power Source Service Manual instructions.
Replace Control board.
Replace Connector and/or Control boards.
Check the power wiring between output Diode Group,
inverter-AC and Power Source output terminals.
Replace Control and/or Driver-ac boards.
Check torch wearing conditions, power wiring between
Diode Group and Power Source output terminals.
Replace Measurement and/or Control and/or Driver-ac
boards and/or Current Transducer.
Re-Program Power Source with the right firmware
versions. Replace Control board and/or Control Panel.
Make sure the mains three phases values. Replace
Precharge and/or Control boards.
Replace Thermostat board on Igbt Group and/or
Control board.
Replace pressure switch on Cooling Unit and/or
Precharge and/or (igbt on 366) and/or Control boards.
Check wiring between Cooling Unit and Power Source.
On 367 and 368 presence of wired bridge on pins 3 and
4 of J6 on Control board. On 366, in case of Cooling
Unit missing, check the right plug connection on BP
connector on Power Source rear panel.
Replace Thermostat and/or Driver-ac and/or Control
boards.
Replace Precharge and/or Control boards.
45
igbt and/or Power
GB
17-03-2016