Cornelius IWCS227 Status Indicator, Curtain Open, Pre-Chill Mode, Ice-Making Mode, Harvest Mode

Models: IAC530 IWCS227 IWC522 IAC522 IAC330 IWC322 IWC330 IWC530 CR1400 CR1200 CR800 IAC227 IAC 322

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STATUS INDICATOR

 

 

D6

Green LED

Condenser Fan

 

 

D10

Yellow LED

Left Water Curtain

 

 

D11

Green LED

Hot Gas Valve

 

 

D12

Green LED

Water Pump

 

 

D13

Yellow LED

Right Water Curtain

 

 

D14

Green LED

Compressor Contactor

 

 

D5

Red LED

Error

 

 

D15

Green LED

Dump Valve

 

 

 

 

 

Curtain Open

 

 

 

 

 

D13

Yellow LED

off

 

Right evaporator curtain open.

D10

Yellow LED

off

 

Left evaporator curtain open.

 

 

 

 

 

 

 

 

 

 

 

Pre-Chill Mode

 

 

 

 

 

D6

Green LED

(on or off)

 

Condenser fan cycles on & off depending upon condenser temperature.

D14

Green LED

(on)

 

Compressor contactor active - Compressor running.

D13

Yellow LED

(on)

 

Right evaporator curtain closed.

D10

Yellow LED

(on)

 

Left evaporator curtain closed (only if unit has two evaporators).

 

 

 

 

 

 

 

 

 

 

 

Ice-Making Mode

 

 

 

 

 

D6

Green LED

(on or off)

 

Condenser fan cycles on and off depending upon condenser temperature.

D12

Green LED

(on)

 

Water pump active.

D14

Green LED

(on)

 

Compressor contactor active - compressor running.

D13

Yellow LED

(on)

 

Right evaporator curtain closed.

D10

Yellow LED

(on)

 

Left evaporator curtain closed (only if unit has two evaporators).

 

 

 

 

 

 

 

 

 

 

 

Harvest Mode

 

 

 

 

 

D11

Green LED

(on)

 

Three seconds after water dump valve becomes active, the hot gas valve becomes active.

D12

Green LED

(on) 15 sec.

 

Fifteen seconds after water dump valve becomes active, the water pump deactivates.

D14

Green LED

(on)

 

Compressor contactor active - compressor running.

D15

Green LED

(on) 15 sec.

 

Water dump valve becomes active at the start of harvest. Water dump valve is active for

 

 

 

 

15 seconds.

D13

Yellow LED

(on)

 

Right evaporator curtain closed. When the ice falls and the curtain opens, the LED will turn off.

D10

Yellow LED

(on)

 

Same as D13 if there is a second (left) evaporator.

 

 

 

 

 

 

 

 

 

 

 

Error LED

 

 

 

 

 

D5

Red LED

(on)

 

EVAPORATOR OPEN THERMISTOR CIRCUIT 8 thermistor open / broken wire / poor connection.

 

 

 

 

Ice maker is SHUT DOWN. Consult service manual (Diagnostic Section) for troubleshooting

 

 

 

 

guide.

 

D5

Red LED

(on)

 

EVAPORATOR HIGH TEMP. ERROR: Six minutes into the Freeze cycle the suction line tempera8

 

 

 

 

ture failed to reach 40°F or below. Ice Maker is SHUT DOWN. Consult service manual (Diagnostic

 

 

 

 

Section) for troubleshooting guide.

D5

Red LED

(on)

 

TWO REPEATED FAILED HARVEST CYCLES 8 No ice drop.

D5

Red LED

Flashing, 1/sec

CONDENSER OPEN THERMISTOR CIRCUIT (Air Cooled only) 8 Thermistor open / broken wire /

 

 

 

 

poor connection. Ice Maker is SHUT DOWN. Consult service manual (Diagnostic Section) for

 

 

 

 

troubleshooting guide.

D5

Red LED

Flashing, 1/sec

CONDENSER LOW TEMPERATURE CONDITION. 8 Condenser midpoint reaches 36°F 8 Ice

 

 

 

 

Maker is SHUT DOWN.

D5

Red LED

Flashing, 1/sec

CONDENSER HIGH TEMPERATURE SAFETY SHUT DOWN.

 

 

 

 

 

 

12/1/94

21

166240004

Rev 3/4/96

 

 

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Cornelius IWCS227, IAC 322, IAC227 Status Indicator, Curtain Open, Pre-Chill Mode, Ice-Making Mode, Harvest Mode, Error LED