5)Initial Harvest Cycle – LEDs 1, 4, and 2 are on. WV continues. Comp, FMR, and HGV energize. CB monitors the warming of the evaporator via the thermistor located on the suction line. When the thermistor reaches 48°F (9°C), CB reads 3.9 kΩ from the thermistor and turns harvest termination over to the harvest timer (S4 dip switch 1 & 2). The harvest timer has settings of 60, 90, 120, and 180 sec. The pump‑out timer (S4 dip switch 3 & 4) acts in place of the harvest timer during cycles with a pump‑out (S4 dip switch 5 & 6). WV remains energized during harvest for a maximum of 6 min. or the length of harvest, whichever is shorter.
a)Comp Diagnosis: Check that evaporator is warming. If not, confirm that Comp energizes. If not, check for 115VAC at CB K1 #1 or #9 (V) to neutral (W). If 115VAC is not present, check for 115VAC at CB K1 #7 or #10 (BR) to neutral (W). If 115VAC is present at CB #7 or #10 (BR) and not at CB #1 or #9 (V), replace CB. If 115VAC is present, check for 115VAC at MC solenoid. If 115VAC is present, confirm contacts are closed. If not, replace MC. If MC contacts are closed, check Comp start and run capacitors, Comp start relay, and Comp motor winding.
b)HGV Diagnosis: If Comp is energized and evaporator is not warming, check that HGV energizes and opens. Check for 115VAC at CB K1 #2 (P) to neutral (W).
If 115VAC is not present, replace CB. If 115VAC is present, check for 115VAC at HGV coil and check HGV coil continuity. Replace as needed.
c)LLV Diagnosis: Confirm that LLV is
d)WRV Diagnosis: Confirm WRV is not leaking by.
e)Initial Harvest Cycle Termination Diagnosis: When the thermistor reaches 48°F (9°C), CB reads 3.9 kΩ from the thermistor and turns harvest termination over to the harvest timer (S4 dip switch 1 & 2). Check discharge line temperature. For a thermistor check, see "II.F. Thermistor Check." If
Switch Check and Cleaning." If FS is closed, CB proceeds to the next cycle. If not, replace CB.
Note: The min. total time allowed by CB for a complete harvest cycle is 2 min. Max. harvest time allowed is 20 min.
NOTICE! On models with "G" control board and no harvest pump timer relays,
S4 dip switch 7 must remain off. Otherwise, PM energizes in reverse direction the last 50 seconds of harvest and empties water from water tank.
6)Freeze Cycle – LED 1 is on. Comp and FMR continue. PM, FM, and LLV energize. WV and HGV de‑energize. Appliance is held in freeze by a
a)Freeze Cycle Diagnosis: Confirm Comp and FMR continue. Confirm that PM, FM, and LLV energize. Confirm WRV opens. Next, confirm WV and HGV de‑energize. During the first 5 min. of freeze, confirm evaporator is cooling. If not, confirm
WV
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