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INSTRUCTIO NS MANUAL
TROUBLESHOOTING
RECOVERY PROBLEMS
Problem: “HIGH-PRESSURE” LED
Solution:
Be sure tank valves are open and hoses are properly connected to the tank. Check for the
presence ofairin the s torage tank (see airpurge),ifneces sary purge as required.
After a HIGH PRESSURE shutdown itwill be necess aryto remove the back plastic cover and
manually reset the high press ure s witch bypress ing on the s mall red button on the top of the
pressureswitchlocatedonthetopofthemanifold.
Problem: “SERVICE” message
Solution:
Remove and replace the low side filter/dryer. See REPLACING THE FILTER/DRYER
Problem: When in RECOVERYdisplay shows error n°1 (ER 01)
Solution:
The A/C s ystem is empty,run EVACUATE
Problem: When in EVACUATE the displays hows error n°2 (ER 02)
Solution:
The A /C sy stem isn’t empty, run REC OVER Y
NO DISPLAY WHEN MAIN POWER SWI TCH IS ON
Problem: Blown main fuse
Solution:
Replace fuse 15A, located in the input power connector. A spare fuse is included in the
machine.
RE F ILLING DOES NOT FLOW
Problem: Refrigerantsupplyem pty or low
Solution:
Add refrigerantto the tank, check the scale calibration.
Problem: Press ure ofthe A/C s ystem equals the press ure ofthe bottle
Solution:
Close the high s ide tap, turn on the A/C system, let the compressor of the A/C s ystem
recover the remaining refrigerant.
Problem: Tank valves closed.
Solution:
Open liquid (RED) valve and be sure hose is properly connected to the tank and the unit.
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