2-627MACHINE OPERATIONS OPERACIONES DE MECANIZADO
29-8 Oil Temperature Controller Errors
Errores en el controlador de temperatura del aceite
Refer to Manufacturer's Manual that accom-
panies the oil temperature controller for
details.
Los detalles los encontrará en el manual del fabri-
cante que se entrega junto con el controlador de
temperatura del aceite.
Status Cause Countermeasure Reference
Controller not operat-
ing. (Power indicator
lamp on operation
panel not illuminated.)
Main power not supplied, or wiring to
power source (L1, L2) disconnected.
Contact the Mori Seiki Service Depart-
ment for assistance.
—
Lamp is not illuminated
when controller is oper-
ating.
Lamp defective.
Replace the lamp. (For required parts,
contact the Mori Seiki Service Depart-
ment for assistance.)
—
Oil not supplied when
pump operating.
Low oil circulation with
loud pump noise.
Piping on suction side of pump loose.
Check the piping seals and tighten if nec-
essary.
If the malfunction continues to occur, con-
tact the Mori Seiki Service Department
for assistance.
—
Suction strainer clogged.
Clean suction strainer. —
Change oil in oil tank if contaminated. —
Oil level in oil tank too low. Add oil.
"Replacing Cooling
Oil" (page 2-579)
Viscosity too high;
oil temperature too low.
Change oil and then check the oil tem-
perature. Make sure the machine is
installed at a site within the specified
ambient temperature range and free from
direct sunlight.
"Replacing Cooling
Oil" (page 2-579),
Separate volume,
MACHINE
INSTALLATION
GUIDE Chapter 1
"Environmental
Conditions"
Relief valve clogged or malfunction-
ing.
Contact the Mori Seiki Service Depart-
ment for assistance.
—
Pump or motor bearing damaged.
Contact the Mori Seiki Service Depart-
ment for assistance.
—