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5 Instrument Maintenance
5.1 Replacing the Battery
1.Turn off the instrument and remove the battery cover.
2.Remove the low battery and install a new battery in the battery compartment.
The battery type is 2 AAA batteries, pay attention to the polarity of the batteries.
!
3.Install the battery cover.
!
Please take out the battery when storing or not using the product for a long time
to avoid battery leakage and corrosion of the product.
5.2 Cleaning Products
1.If the case of the instrument is dirty, please clean it with a damp cloth
!
Do not use strong corrosive detergents or solvents to clean the product
2.Keep the threaded interface of the refrigerant hose clean and free from grease
and other deposits .
5.3 Problems and Solutions
question
battery indicator flashing
Device automatically shuts
down
Saturation temperature
display area shows - - - -
Pressure display area shows -
OL -
possible reason
low battery
1.The device has auto-shutdown
enabled
2.Battery is dead
Saturation temperature exceeds
the allowable range
The pressure exceeds the allowable
range
Solution
replace with new battery
1.Turn off the auto power off
function
2.Replace with new battery
Keep within the allowable range
Keep within the allowable range
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