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7
Maintenance
7.1 Daily check
It is important to carry out daily checks to utilize the most of the high performance of the unit and to maintain
safe operation.
Check the check points in the following tables. Clean and replace parts or components if needed.
In order to maintain high performance and functions, use Panasonic genuine parts as replacement.
Touching any live electrical parts can cause fatal electric shocks or
severe burns.
Prior to performing the following work, make sure to turn off power at the power
box (customer procurement) and also at this product.
■
Checks before turning ON power
Part
Check points
Note
Ground cable
• Check to make sure that work ground
cable connections are secure.
• Check ground terminal connection for
To prevent electric shocks,
check them without fail.
Input cable(s)
• If a trunk cable is used,check if the relay
connections are secure and if the live parts for
exposed.
• Check cable film for damage or wear.
• Check if any undoe force is applied.
To prevent electric shocks,
and safe operation check
them without fail.
Water flow
switch
• If it is not in use, check if connector cover is on.
• If it is in use, check the lock ring of the
counterpart connector for tightness.
To secure safe operation,
check them without fail.
Power switch
• Check for loose mounting.
/
Coolant Tank
<Check with the front panel is closed.>
• Check if the water is above the “Min.”.
• Check the lid of the tank for tightness.
Refill the tank to appropriate
level if it is below the “Min.”.
■
Checks after starting operation
Part
Check points
Note
Power lamp
• Check if the lamp turns on correctly.
/
Flow check
<Check with the front panel is closed.>
• Check if water flows.
• Check bubbles are formed in the coolant.
See “Troubleshooting” for
remedy.
Pump area
• Check for any abnormal noise from pump
area.
See “Troubleshooting” for
remedy.