1.4 Preventive Maintenance Function
C1-6
ME0384-4A
Chapter 1 Maintenance and Inspection
1.4 Preventive Maintenance Function
The RCON system has a preventive maintenance function for the capacitor and a predictive
maintenance function for the fan unit.
Driver unit
The temperature of the capacitor for the motor power supply of the driver unit is monitored to
calculate the service life.
A message level alarm is generated (alarm code 04A "Estimated life exceeded warning") when
the electrostatic capacity decreases 20%. When an alarm is generated, although the capacity of
the capacitor is not zero (dried-out), we recommend replacing it as soon as possible.
Gateway unit
The temperature of the capacitor for the gateway unit calendar function is monitored to calculate
the service life.
A message level alarm is generated (alarm code 84C "Calendar function backup capacitor
estimated life exceeded") when the electrostatic capacity decreases 50%. When an alarm is
generated, although the capacity of the capacitor is not zero (dried-out), we recommend
replacing it as soon as possible.
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