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Trouble |
| Probable Cause |
| Remedy |
COMPRESSOR DOES NOT | J. | Inoperable control board | J. | Replace control board. |
OPERATE (con’t). |
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| K. | Inoperable contactor | K. | Replace contactor. |
| L. | No voltage to control board. | L. Check for loose or broken wiring. | |
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| Check 240/24 VAC power |
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| transformer for 24 VAC output. |
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| (see NOTE below). |
| M. | Inoperable control board or | M. | Replace control board. |
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| water/ice sensor PC board. |
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| N. | Inoperable ICE SENSOR. | N. | Replace ICE SENSOR. |
| O. | EVAP IN, COND OUT, or | O. | Replace inoperable sensor. |
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| EVAP OUT sensor is open, |
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| shorted, or out of temperature |
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| range. |
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P.Hydro Boostâ WATER SENSOR is shorted or open circuit.
P.Check for loose, broken, or disconnected wire or plug at
NOTE: Confirm which sensor has failed by using the Aurora Series System Analyzer (P/N
NOTE: The 240/24 VAC power transformer has an overload reset button located on its 24 VAC output side (see Figure 3). An overload on the transformer will cause its reset button to pop out disrupting the 24 VAC output to the main control board. Overload button must be pressed in to restore 24 VAC output.
COMPRESSOR OPERATES | A. Cooling capacity is exceeded |
CONTINUOUSLY BUT DOES | by overdrawing. |
NOT FORM SUFFICIENT ICE |
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BANK |
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A.Reduce amount of drinks drawn per given time.
B. Air circulation through Remote | B. Check and if necessary, clean |
Condenser Coil and Fan | condenser coil as instructed. |
Assembly Condenser Coil is |
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restricted. |
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C.Insufficient refrigerant charge. C. Check Cooling Unit sight glass for bubbles or liquid break. Find and repair refrigeration leak, the replenish refrigerant charge.
D.Inoperative or disconnected
D.Check that expansion valve is operating by touch (should be able to feel valve pulse).
Check for loose or disconnected wire to solenoid coil. If necessary, troubleshoot expansion valve with a gage set to see if it is opening. If expansion valve is not opening, suction pressure will be in a vacuum.
300614000 | 34 |