Siemens FLENDER H SH Series Assembly And Operating Instructions Manual page 84

Faults
Pressure monitor triggers
alarm.
(gear units with water oil­cooler
or air oil­cooler)
Fault in oil­supply system.
Indicator on double
change­over filter triggers
alarm.
Increased operating
temperature.
Temperature at backstop too
high.
Locking function fails.
Main drive motor does not
start.
Causes
Oil pressure < 0.5 bar.
Double change­over filter clogged.
Oil level in housing too high.
Oil too old.
Oil badly contaminated.
Defective oil­supply system or
cooling coil.
Gear unit with fan: Suction opening
in air guide cover and/or gear­unit
housing badly contaminated.
Damage to backstop.
Wrong direction of rotation of motor.
Incorrect installation and/or defect
of cage with sprags of backstop.
Overrunning clutch blocked.
Incorrect installation and/or defect
of cage with grippers of
overrunning clutch.
BA 5030 en 02/2013
84 / 96
Remedy
Oil level at room temperature.
Check and, if necessary, top up oil.
Check and, if necessary, clean oil
filter.
Contact Customer Service.
Check that oil pump is functioning
correctly.
Repair or replace oil pump.
Consult operating instructions for
oil­supply system.
Change double change­over filter
over as instructed in separate
operating instructions, clean
clogged filter element.
Check oil level and, if necessary,
adjust.
Check date of last oil change and,
if necessary, change oil.
See section 10.
Change oil. See section 10.
Check the oil­supply system or
cooling coil, replace any defective
parts. Consult operating instructions
for oil­supply system.
Clean air guide cover and gear­unit
housing.
Contact Customer Service.
Check backstop and,
if necessary, replace.
Change polarity of motor.
Contact Customer Service.
Install cage of the backstop turned
by 180° and/or replace.
Contact Customer Service.
Install a new overrunning clutch.
Contact Customer Service.
Install cage of overrunning clutch
turned by 180° and/or replace.