Yamato Scientific IQ821 Low Temperature Incubators - Manual (Page 37)

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Maintenance Method
Daily Inspection and Maintenance
For the safety use of this unit, please perform the daily inspection and maintenance without fail.
Using the city water to this unit might attach dirt. Do inspect and maintain this point while
performing 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.
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 the independent overheating prevention device.
Perform the fixed temperature operation of device with certain preset temperature. Then set the
operation temperature of independent overheating prevention device to the value approximately 5℃
lower than the preset temperature of device.
In normal condition, the device shuts off the heating circuit in a few seconds, at the same time the
TROUBLE lamp lights on and the "Er19" is indicated accompanied with a warning buzzer.
• Clean the fin on condenser.
Remove the grill on the front, then remove
the dust on the surface of fin on condenser
with a vacuum cleaner.
CAUTION!
Do not soak the fin for cleaning.
™ Make sure to check the movement of earth leakage breaker above and overheating prevention device
before long term operation or night-time unmanned operation.
For any questions, contact the dealer who you purchased this unit from, or the nearest sales
division in our company.