Maintenance
HPR400XD Auto Gas – 806160 5-35
Coolant flow troubleshooting chart
Coolant error
(093) or (060)
Go to “pump/motor
troubleshooting”
Order a replacement
Check valve or your
coolant will drain out at
each consumable change
There is a kink in the return hose to
the power supply. If there is not a kink,
replace the hose.
Go to “steps to take before testing” on the next page
Go to test 1 Go to test 2
Go to test 7
Replace the flow switch
Go to test 3
Replace the torch
If the flow shown
On the CNC is
> 0.9 gpm
Go to test 4
Go to test 5
Check your power supply outlet hose for
kinks. If there are no kinks, replace the
hose set between the power supply and
the high frequency console.
There is a kink or clog between the
high frequency console and the
power supply. If there is not a kink,
replace the leads.
There is a kink in the leads between
the high frequency console and the
torch. If there is not a kink,
replace the leads.
Go to test 6
Replace the pump, and inspect
the shaft for damage
No flow
Flow
rate from
bucket test
< 0.9 gpm
Flow
rate from
flow tube
< 0.8 gpm
Flow
rate from
bucket test
< 0.9 gpm
Flow
rate from
bucket test
> 0.9 gpm
Flow
rate from
bucket test
> 0.9 gpm
Flow
rate from
flow tube
> 0.8 gpm
Flow
rate from
CNC
> 0.8 gpm
Flow
rate from
CNC
< 0.8 gpm
Flow
rate from
CNC
< 0.9 gpm
Flow
rate from
bucket test
> 0.9 gpm
Flow
rate from
bucket test
< 0.9 gpm
Flow
rate from
bucket test
< 0.9 gpm
Flow
rate from
bucket test
> 0.9 gpm