Air Conditioner User Manual

INSTRUCTIO NS MANUA L

TROUBLESHOOTING

RECOV ERY P ROBLEMS

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 storage tank (see air purge),ifnecess arypurge as required.

After a HIGH PRESSURE shutdown itwill be necess aryto remove the back plastic cover and

manually reset the high press ure switch bypress i ng on the small 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 RECOVERY display shows error n°1 (ER 01)

Solution:

The A/C system is empty,run EVACUATE

Problem: When in EVACUATE the displays hows error n°2 (ER 02)

Solution:

The A/C system isn’t empty, run RECOVER Y

NO DIS PLAY WHEN MAIN POWER SWITCH 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 FLO W

Problem: Refrigerantsupplyem ptyor low

Solution:

Add refrigerantto the tank, check the scale calibration.

Problem: Press ure ofthe A/C system equals the pressure ofthe bottle

Solution:

Close the high side 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.