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Maintenance Method
Daily Inspection and Maintenance
WARNING!
•
Disconnect the power cable from the power source when doing an inspection or maintenance
unless needed.
•
Perform the daily inspection and maintenance after returning the temperature of this unit to the
normal one.
•
Do not disassemble this unit.
CAUTION!
•
Use a well-drained soft cloth to wipe dirt on this unit. Do not use benzene, thinner or cleanser for
wiping. Do not scrub this unit. Deformation, deterioration or color change may result in.
•
Keep the cooling fan clean. Being covered with dust lowers cooling performance.
Monthly maintenance
•
Check the earth leakage breaker function.
1. Connect the power cord.
2. Turn the breaker on.
3. Push the red test switch by a ballpoint pen etc.
4. If there is no problem, the earth leakage breaker will be turned off.
•
Check the movement of overheating prevention device.
Perform the fixed temperature operation of device with certain preset temperature. Then set the
operation temperature of overheating prevention device to the value approximately 5
℃
lower than
the preset temperature of device.
In normal condition, the overheating prevention device shuts off the heating circuit in a few seconds,
at the same time the alarm lamp lights on and the Er07 is indicated accompanied with a warning
buzzer.
v
Be sure to check the movement of earth leakage breaker malfunction and overheating prevention device
mentioned above before a long-term continuous operation or unmanned night operation.
For any questions, contact the dealer who you purchased this unit from, or the nearest sales
division in our company.