MRC-400 "B" APP-B ERROR CODES - Snap
Contents
1. APPENDIX B ERROR CODES The Refrigerant Recovery System has a self diagnostic feature When a malfunction with the Recovery System has been detected an error code is displayed on the LCD panel A Press lt HOLD ENTER RESTART gt on the front panel B If the error code is still displayed presse CANCEL gt on the front panel to clear or turn OFF main power switch C Turn the power switch to the ON position and press lt POWER gt This resets all functions D If the error code is still displayed on the front panel refer to Error Codes listed below ERROR CODES 0 THROUGH 13 ERROR CODE 0 N oa oO E oo D 10 11 12 13 Effective 2 97 DESCRIPTION Internal CPU memory failure Communication Bus failure Tank Full Software Failure Solenoid Driver Failure No pressure after pump starts Compressor windings open No weight drop during Refrigerant charge No weight drop during Oil charge Stored weights and scale disagree Scale weight less than 2 Ibs Scale weight greater than 155 Ibs Tank full and empty LEDs on Discharge pressure less than 30 HG POSSIBLE CAUSE Replace Processor Board Replace Processor Board Charge from or change Recovery Tank Replace Processor Board Replace Solenoid Driver Board Refer to Troubleshooting in Chapter 2 Replace Compressor Select other tank Check Heater Blanket on Virgin Tank With software Rev 2 20 install a new Virgin Tank With sof2. ace Solenoid Driver Board Install Recovery Tank Refer to User s Manual Check Dip Switch configuration Vehicle has a leak Fix leak Check hose connections to vehicle Check Suction Separator gasket Vehicle has a leak Fix leak Check hose connections to vehicle Check Suction Separator gasket Let unit warm up Operating temperature is 50 120 degrees Refer to Troubleshooting in Chapter 2 Let unit cool down Operating temperature is 50 120 degrees Refer to Troubleshooting in Chapter 2 Connect Temperature Probe Replace Temperature Probe Calibrate Temperature Probe Replace Temperature Probe Effective 2 97 ERROR CODES 27 THROUGH 30 ERROR CODE DESCRIPTION 27 Incorrect refrigerant settings 28 High pressure switch on 29 No Refrigerant Tanks charging 30 No Oil Cylinder available for charging Effective 2 97 APPENDIXB ERROR CODES B POSSIBLE CAUSE Refer to Appendix A Replace Processor Board Reduce High side pressure Turn vehicle system off Install refrigerant tank Install a Oil Cylinder Page B 3 APPENDIXB ERROR CODES B Effective Page B 4 2 97
3. tware Rev 2 20 install a new Oil Cylinder Not used with Rev 2 20 software Refer to Scale Calibration in Chapter 3 Refer to Scale Calibration in Chapter 3 Connect Recovery Tank cable Ohm out cable Check Float Assembly in Recovery Tank Check calibration Replace High Pressure Transducer Replace Solenoid Driver Board Page B 1 APPENDIXB ERROR CODES B ERROR CODES 14 THROUGH 26 ERROR CODE 14 15 16 17 18 19 20 21 22 23 24 25 26 Page B 2 DESCRIPTION Discharge pressure greater than 500 psi Suction pressure less than 30 HG Suction pressure greater than 200 psi Purge pressure less than 30 HG Purge pressure greater than 500 psi No Recovery Tank present No vacuum in new Recovery Tank No vacuum during Vacuum Hold test 2 loss No vacuum during Vacuum Hold test 2 loss Ambient Temperature less than 32F Ambient Temperature less than 150 F Discharge Temperature less than 20F Discharge Temperature greater than 150 F POSSIBLE CAUSE Check calibration Replace High Pressure Transducer Replace Solenoid Driver Board Check calibration Replace Low Pressure Transducer Replace Solenoid Driver Board Check calibration Replace Low Pressure Transducer Replace Solenoid Driver Board Check calibration Replace Purge Pressure Transducer Replace Solenoid Driver Board Check calibration Replace Purge Pressure Transducer Repl
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