Sanken SAMCO-NS Series Instruction Manual page 73

7- segment
Alarm
Check points
monitor
description
display
Over-shoot or under-shoot
GAL 2
Overspeed
happened?
Modbus Communication cable
GAL 3
communication disconnected?
timeout
+24V power supply output from
PonG
Power supply
the control circuit overloaded or
shortened?
abnormality
oPn o
Missing output phase Missing an output phase?
oPn 1 Misssing input phase Missing an in input phase?
Gnd F Check grounding Short-circuited when grounding?
short-circuit current
FAn L Cooling fan Cooling fan is working?
abnormality
Turn of power and wait untill
rYoFF
Main relay
CHARGE lamp turns off, turn the
abnormality
power on again and check the
alarm?
Actions
Confirm speed command value or
torque command value.
Confirm communication cables are
connected securely.
Check the +24V output power supply for load
conditions.
Connect the output cables securely.
Check and improve the input current..
Confirm output cable and motor insulation
performance.
Check the fan performance
Contact the supplier.
-72-