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G. Unit will not Charge, no pressure on Manifold gauges
Possible Cause:
Storage tank liquid valve and/or Liquid hose valve are closed
.
Solution:
Make sure the liquid supply to the charging solenoid valve has all valve open.
Possible Cause:
Charging Solenoid Valve is not energizing.
Solution:
Check to see if 12VDC is present on the Charging
Solenoid Coil with the unit in the charging mode. If voltage is present, check the resistance of the solenoid coil. If resistance is
not measure, the solenoid coil is defective. Replace
solenoid coil. See Section 3, Item 5 for repair details
.
H. Unit will not Charge, pressure on Manifold gauges
Possible Cause:
The service coupler valve is closed
.
Solution:
Make sure the service coupler valve is open.
Possible Cause:
The service couplers are not depressing the ac system’s service valve core.
Solution:
Make sure the Coupler core depressor is functioning correctly.
Possible Cause:
The Liquid and Vapor hoses are switched on the storage tank. (would charge but become static)
Solution:
Correct the hose configuration.
I.
Charging is very slow
Possible Cause:
Cold temperature conditions exist. At 70F, the charging rate of the FX134A / FX1234 / FX3030 is about 1.0
LB/minute.
Solution:
Install option FX134A / FX1234 / FX3030 heater blanket.
Possible Cause:
The Liquid and Vapor hoses are switched on the storage tank.
Solution:
Correct the hose configuration.
Possible Cause:
The service couplers connection is slightly depressing the ac system’s service valve core.
Solution:
Make sure the Coupler core depressor is functioning correctly.
Summary of Contents for FX1234
Page 1: ...1 FX Series Service Manual Models FX134 FX1234 FX3030 CPS AUTOMOTIVE RECOVER RECYCLE RECHARGE ...
Page 14: ...14 FX3030 PUMP DOWN ...
Page 15: ...15 Hose Flush High Voltage Compressor ...
Page 47: ...47 1 FX134A FX1234 FX3030 Series Refrigeration Schematic ...
Page 48: ...48 2 FX134A FX1234 FX3030 Series Electrical Schematic ...