Diagnostic Chart

After pressing any button to enter manual diagnostics all LEDs will illuminate for 5 seconds. The controls will then automatically move to the first component.

Order

Component

On/Off LED

Service LED

Clean LED

Feature Light (for

 

 

(On for some

(Off for some

 

some models)

 

 

models)

models)

 

 

1

Entry into Test

ON

ON

ON

ON

 

Mode

 

 

 

 

 

 

 

 

 

 

2

Bin Thermistor

ON Solid--OK

OFF

OFF

OFF

 

 

2 blinks--Open

 

 

 

 

 

4 blinks--Short

 

 

 

3

Evaporator

OFF

OFF

ON Solid--OK

OFF

 

Thermistor

 

 

2 blinks--Open

 

 

 

 

 

4 blinks--Short

 

4a

Water Valve

OFF

ON Solid--reservoir full

ON

OFF

 

4 min time out

 

Blinking--reservoir

 

 

 

Service button

 

empty

 

 

 

press will advance

 

 

 

 

 

to step 6

 

 

 

 

4b

Water Level

OFF

ON Solid--reservoir full

ON

OFF

 

Sensor

 

Blinking--reservoir

 

 

 

 

 

empty

 

 

5

Recirculation

ON

ON

ON

OFF

 

Pump

 

 

 

 

 

 

 

 

 

 

6

Reservoir Drain

ON

OFF

OFF

OFF

 

Pump

 

 

 

 

 

 

 

 

 

 

7

Compressor and

ON Solid while cooling

Blinking when evap

ON

OFF

 

Condenser Fan

 

thermistor reaches

 

 

 

Motor

 

4.5ºF; full frost pattern

 

 

 

 

 

should be visible

 

 

8

Compressor and

ON Solid while heating

ON Solid while heating

ON Solid while heating

OFF

 

Hot Gas Valve

 

Blinking when evap

 

 

 

 

 

thermistor reaches 52ºF

 

 

9

Twice Ice

OFF

OFF

ON Solid--No delay

OFF

 

 

 

 

Blinking--10 min delay

 

 

 

 

 

between cycles

 

 

 

 

 

Press Clean button to

 

 

 

 

 

cycle between settings

 

10

Ice Thickness

OFF

2 Blinks--Thin

OFF

OFF

 

 

 

4 Blinks--Normal

 

 

 

 

 

6 Blinks--Thick

 

 

 

 

 

Press Clean button to

 

 

 

 

 

cycle between settings

 

 

ERROR DISPLAYS

These errors will occur at any time during normal operation if a thermistor fails.

2 Blinks — Service Light is blinking twice in repeating intervals – This signifies a bin thermistor failure. Check that the bin thermistor is plugged in to the control box. Check that the bin thermis- tor is not open or shorted. Replace the thermistor if it is open or shorted.

3 Blinks — Service Light is blinking three times in repeating intervals – This signifies a harvest failure. Check that the evaporator thermistor is connected to the sealed system tubing. If the thermistor is plugged in, ensure that it is fully connected to the control box. (The ice maker will operate on a timed cycle if the evaporator thermistor is unplugged.) Check the resistance of the thermistor. If the thermistor checks good, then look for a frost pattern on the evaporator plate. The unit may be low on refrigerant.

HOLIDAY MODE

The Holiday Mode feature is designed for the traveler or for those whose religious observances require turning off the lights and the ice maker. By selecting this feature, ice production and the interior lights will be disabled. Press and hold the Holiday Mode button to turn on the Holiday Mode feature. Press and hold the button again to turn off the feature.

The Holiday mode LED is lite constantly in this mode.

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Whirlpool KUIA15NRH*11, KUIA18NNJ*11, KUIA15PRL*11, KUIA15NLH*11, KUIA18PNL*11, KUIA15PLL*11 Holiday Mode, Diagnostic Chart

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