Autool LM120 Plus 사용자 설명서 - 페이지 11

{카테고리_이름} Autool LM120 Plus에 대한 사용자 설명서을 온라인으로 검색하거나 PDF를 다운로드하세요. Autool LM120 Plus 14 페이지. Digital manifold gauge

At this time, the lower left corner records the initial pressure value; the

lower right corner shows the instantaneous pressure value; the "ΔP" display

area shows the difference between initial pressure value and instantaneous

pressure value.

The time display area shows how long the leak test lasts in the format of

Hour : Minute (HH:MM). All the pressure units on the screen are the same.

You can switch different pressure units by pressing the unit button.

7. Common problems

7-1. Low battery power supply

The instruments has low power sign. When it is displayed , it means the

battery power is insufficient. At this time, the battery should be replaced as

required in order to avoid affecting normal use.

7-2. Damaged refrigerant hose or valve stem

Please check the pipe fittings and the hoses before testing. Once any

damage is found , please replace it immediately to avoid improper use or

any accident occurring.

7-3. Failure of refrigerant filling

There is a valve core in the refrigerant inlet of the refrigeration system.

When connecting the instrument, pay attention to the two terminals of the

hoses. Connect one terminal with a core to the refrigeration system, while

another terminal without a core to the instrument.

7-4. Potential leak points

Every hose terminal comes with a nylon pad that is limited a certain life of

using. Over use or other situation will make it defective, which result in

leakage.