(13) OVER HEAT AM?.
This alarm appears if thermal protector of
trips (installed on cooling fan).
Cause
Checkup
Remedy
Overload
1. Check motor for load
1. Lighten load.
tion.
2. Check motor start/stop fre- 2. Decrease
start/stop
frequency.
High ambient
Measure the ambient
If the ambient
erature
ture.
temperature is
higher than
appropriate pro-
vision shouid be
made to cool.
Trouble with
Check if the FR-SFJ cooling
Replace the cool-
ing fan
fan does not work properly.
ing fan.
Heat radiating fins
Check if heat radiating fins
Clean the fins.
fouled
on the back of FR-SFJ are
fouled heavily.
Fuse blown out
Check if fuse is blown out.
Replace the fuse.
If new fuse is blown out
Refer to
again
46".
