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freeze with the float switch removed, replace the board.
Note: Normal freeze cycle will last 20 to 40 minutes depending on model and
conditions. Cycle times and pressures should follow performance data provided
in this manual.
6) Pump-Out Cycle (10/20 second pump out) – the compressor remains energized,
the hot gas valve energizes, the fan motor de-energizes, the pump motor stops for
2 seconds and starts in reverse rotation for 10/20 seconds. (This removes contaminants
from the water reservoir through the check valve (drain valve) and down the drain and
allows for a power flush of the float switch.) Check for clear tubing at the check valve
housing and check the unit drain for water flow. Diagnosis: If the pump motor does not
reverse, check the circuit and capacitor. If water does not pump out, remove the check
valve (drain valve) housing and check/clean the valve assembly.
7) Normal Harvest Cycle – same as the initial harvest cycle – Return to step 4.
Note: Unit continues to cycle until bin control is satisfied or power is switched OFF. (The
pump out cycle can be adjusted to occur every cycle, or every 2, 5, or 10 cycles.
The factory default is every 10 cycles.) The unit always restarts at the 1 minute fill
cycle.
B. Diagnostic Charts
1. No Ice Production
Problem Possible Cause Remedy
[1]
The icemaker will not
start.
a)Power Supply 1. OFF position. 1. Move to ON position.
2.
Loose connection. 2. Tighten.
3. Bad contacts. 3. Check for continuity and
replace.
4. Voltage too high or too
low.
4. Check and get
recommended voltage.
b)Fuse (Inside fused
disconnect, if any)
1. Blown. 1. Check for short circuit and
replace.
c)Control Switch 1. OFF position. 1. Move to ICE position.
2. Bad contacts. 2. Check for continuity and
replace.
d)Bin Control Thermostat 1. Tripped with bin filled
with ice.
1. Remove ice.
2. Ambient temperature
too cool.
2. Increase ambient
temperature.
3. Set too warm. 3. See "II.C.3. Controls
and Adjustments, g) Bin
Control."
4. Bulb out of position. 4.Place in position.
5. Bad contacts. 5. Check for continuity and
replace.
e)High Pressure Control 1. Bad contacts. 1. Check for continuity and
replace.
2. Dirty air filter or
condenser.
2. Clean.