Instrument Maintenance; Replacing The Battery; Cleaning Products; Problems And Solutions - Elitech DMG-4B User Manual

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