Question about Measuring Tools & Sensors
ROBINAIR COOLTECH ROB134APF WIL NOT RECOVER VAC SHOWS 19 inHG BUT WILL NOT RECOVER REFRIGERANT IN LINES. WILL NOT PULL FROM CAR.
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Posted on Jan 02, 2017
Please check 1# The compressor suction line with a vacuum gauge & make sure it has 13" HG of suction while you active recover. if not then you need to replace the compressor. 2# Check spin-on filter O rings are fixed properly it may missing or lose, also check filter capacity (amount of refrigerant you have been recover sinc last filter change.every 68KG or 150LBS of recovery you must change spin-on filter)
Posted on Jun 25, 2010
Form the main menu go to ''CHANGE DEFAULT'' then press 5454 & YES key (passwoed to access default option).Once you enter to default menu,go to "SCALE CALIBRATION" & press YES key.now follow the on screen text.Hope this will solve your problem.
NOTE:you should have 9KG/20LBS of weight for scale calibra
Posted on Jul 01, 2010
I think you'v try to inject the oil from ''WRONG'' side,as you say RECOVER/VACUUM which is LOW side manifold valve. You should inject the oil from HIGH side ( Turn the high side valve to CHARGE/OIL INJECT after vacuuming & low side vulv to CLOSE possition ) with pressing F1 key. once you press it then hold the key as long as you wish to inject the oil. If you try this way & you still have problem with oil injection then you may need to check oil injection CHECK VALVE or oil injection SOLENOID ( Both located under Hidg side panel mountin valve). NOTE: UV Dye is not a problem for oil injection! I hope this will help you to solve the problem,Good luck. Don't forge to vote for my solution!
Posted on Jul 10, 2010
You may overfill the ISV tank. #1 Open front cover & close LIQUID valve on the ISV. #2 Disconnect LIQUID hose from tank,then open tank liquid valve (which you close earlier) to reduce some refrigerant manually from the ISV tank. #3 after reduce refrigerant from tank, re-connect everything & switch on the machine. #4 If you still have the same problem then you have to re-calibrate the scal. I hope this will help you
Posted on Nov 05, 2010
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