PROTECTIONS
The fuse is located on the ass'y-power. When either the LAMP indicator or the READY indicator is not illuminated, fuse may be opened. Check the fuse as following steps.
- Remove the ass'y-power following to “Mechanical Disassembles”.
- Remove the fuse from fuse holder.
- Check the resistance of fuse by using the tester. To install the fuse, take reversed step in the above.
OVERHEATING PROTECTION
Temperature monitor-1
When this function operates, warning-temperature-indicator
flashes. And cooling fan continues operating until it becomes a normal
temperature. If it continue to flush and flash does not stopped, disconnect the
AC cord and investigate the cause of overheating.
Temperature monitor -2 (thermal switch SW902)
This function (thermal switch SW902) will not operate,
while the temperature monitor -1 is operating normally. If it has operated, it
needs to be reset manually. Disconnect the AC cord first and investigate the
cause of overheating. After servicing,
reset the thermal switch (SW902) as shown.
