Guangzhou Junliye Import&Export Co., Ltd.
Phone: 0086-20-86394322 WEBSITE:www.431tool.com
11
6. Maintenance
6.1 Change the dryer and filter
：
System could count down the recovering refrigerant weight. When
the value reach to 180Kg, system would prompt that the dryer
and filter is going to fail. When the value reaches to 200Kg,
system would prompt changing the dryer and filter. System
could not start any process at this time.
Changing stage
1
：
Check the pressure. If the pressure is higher than
200Kpa, please recover the refrigerant in hoses.
2
：
Remove the back panel of device and replace the
old dryer and filter with a new one. Please pay
attention to the installation direction of dryer and
filter.
Figure
（
6
）
3
：
After changing the dryer and filter it should switch the power on
and press the
“▲”`“▼” key in same time to enter reset menu,
select 2.filter and press start/stop key to reset filter working time
(200kg).