Hypertherm EcoSift, Operator'S Manual

Page: 121 / 188

Tr
ou
bleshooting
Troubleshooting
EcoSift Operator Manual 809500 121
Warning and fault descriptions
E-
STOP ENGAGED
If the EcoSift turns off because the emergency stop knob was pushed or because of a fault, the unit does an
uncontrolled shutdown. Power to the heating elements, pumps, and motors turns off. The operator interface stays
on. Refer to
Uncontrolled shutdown
on page 118.
To reset the emergency stop, turn the knob clockwise.
S
CREEN OVERLOAD
This fault is caused by an overload on relay
1OL
or a motor failure.
The EcoSift does not turn off normally. It could be necessary to clean out the wet abrasive before starting the
machine. Refer to
Uncontrolled shutdown
on page 118
Do not use the emergency stop knob to turn
OFF
the EcoSift in nonemergency situations.
The system does not do a normal shutdown, and wet abrasive is left on the primary screen and in
the abrasive pump and hoses, which can cause a blockage.
Cause Solution
The primary screen shaker motor is using too much
current. The overload relay opened the circuit breaker. Push the RESET button on the overload relay inside
the electrical enclosure.
The overload setting is incorrect.
Contact a Hypertherm Technical Service Associate.
Refer to Hypertherm contact information on page 4.
The overload relay failed.
The motor failed.