Hypertherm Powermax 85

TROUBLESHOOTING AND SYSTEM TESTS
powermax 65/85 Service Manual 5-29
3-nn-n
These fault codes relate to the power board and can only be seen on the service screen.
Fault
code
Description
(System test number)
Power
LED
Fault
LED
Fault
icon
Solutions
3-00-0 DC bus voltage (Test 5)
DC bus voltage is out of
range.
On On
• Inspect the PFC Boost circuitry (CSA)
• Test the PFC Boost IGBT (CSA)
3-10-0 Fan speed (Test 11)
The fan speed is below the
minimum speed.
• Clean the fan assembly.
3-10-1 Fan (Test 11) • Check the associated wiring.
• If necessary, replace the fan assembly.
3-11-0 PFC module temp sensor
open (Test 4)
• Check the associated wiring.
• If necessary, replace the PFC/Boost IGBT
module.
3-11-1 PFC module temp sensor
shorted (Test 4)
• Check the associated wiring.
• If necessary, replace the PFC/Boost IGBT
module.
3-20-0 Fill valve (Test 9)
Indicates that the Fill Valve is
not connected.
• Check the associated wiring.
• If necessary, replace the electronic
regulator. (Kit 228687)
3-20-1 Dump valve (Test 9)
Indicates that the Dump Valve
is not connected.
• Check the associated wiring.
• If necessary, replace the electronic
regulator. (Kit 228687)
3-20-2 Valve ID (Test 9) The DSP does not recognize the electronic
regulator.
3-20-3 Electronic regulator is
disconnected (Test 9)
The electronic regulator is not
drawing current.
• Inspect the associated wiring, particularly
the 7-pin connector.
• If necessary, replace the electronic
regulator.(Kit 228687)