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SERVICE DATA SHEET

A06031201

FREEZER ICE MAKER - AUTOMATIC DEFROST

BOTTOM FREEZER - R134a

POWER

ICE MAKER

CE MAKER

ICE MAKER

WATER VALVE

LINE

THERMAL

CUT-OUT

HOLD

SWITCH

THERMOSTAT

SHUTOFF

SWITCH

WATER FILL

SWITCH

MOLD HEATER

MOLD

MOUNTING

PLATE

165 WATTS

MOTOR

NEUTRAL

BLK

BLU

YELLOW

BRN

RED

GRN / YEL

RED

LT. BLUE

P-3

P-1

P-2

P-4

ICE MAKER

LT. BLUE

IMPORTANT SAFETY NOTE

The information provided herein is designed to assist qualiﬁed repair personnel only. Untrained persons should not

attempt to make repairs due to the possibility of electrical shock. Disconnect power cord before servicing this appliance.

IMPORTANT

If any green grounding wires are removed during servicing, they must be returned to their original position and

properly secured.

IMPORTANT: PLEASE RETURN THIS SHEET TO ITS ORIGINAL LOCATION.

PERFORMANCE DATA NO LOAD & NO DOOR OPENINGS AT 37°/0°

CONTROL SETTING

Type A with Run / Start Capacitor 65°F (18°C) Ambient 90°F (32°C) Ambient

Operating Time

90 to 100% 100%

Freezer Temperature

-5° to 2°F

(-20° to -17°C)

-1° to 3°F

(-18° to -16°C)

Refrigerator Temperature

34° to 39°F

(1° to 4°C)

34° to 39°F

(1° to 4°C)

Low Side Pressure

-2 to 6 psig

(-14 to 41 kPa)

-2 to 6 psig

(-14 to 41 kPa)

High Side Pressure

(last 1/3 cycle)

85 to 105 psig

(586 to 724 kPa)

120 to 135 psig

(827 to 931 kPa)

Wattage (last 1/3 cycle) 30 to 50 50 to 70

Amps (running)

.4 to .8 .7 to .9

Base Voltage 115 vac (127 vac max)

DEFROST SPECIFICATIONS

Cabinet Size:

27’ & 28’ SD, 22’ CD

Thermal Cutout Heater Defrost

Heater

Termination

Cut-in Cut-out Watts Ohms Cut-out

110°F

(43.3°C)

135°F

(57.2°C)

500 26.5 48°F

(8°C)

CONDENSER FAN MOTOR

Watts RPM Amps

3.1

1100 CW

Opposite Shaft

0.03 Running

FREEZER ICE MAKER SPECIFICATIONS

Electrical 115 vac (127 vac max)

Thermostat Opens at 48°F ( 9°C), Closes at 15° F ( -9°C)

Heater Voltage 115 vac

CAUTION

All electrical parts and wiring must be shielded from torch ﬂame. DO NOT allow torch to

touch insulation; it will char at 200°F and ﬂash ignite (burn) at 500°F. Excessive heat will

distort the plastic liner.

Mounting

Plate

Screws

Mounting

Plate

Screw

Motor

Gear

Timing

Gear

Water Fill

Adjustment

FREEZER ICE MAKER INFORMATION

(Where Applicable)

Test Cycling: Remove cover by inserting screwdriver in notch at

bottom and prying cover from housing. Use screwdriver to rotate

motor gear counterclockwise until holding switch circuit is completed.

All components of ice maker should function to complete the cycle.

Water Fill Volume: The water ﬁll adjustment screw will change

the ﬁll time. One full turn is equal to 20cc (.68 oz.). The correct ﬁll

is 102 to 130cc (3.4 to 4.3 oz.). When a water valve is replaced,

the ﬁll volume must be checked.

SYSTEM DIAGNOSTIC MODE

Activate: Press

UP and

DOWN for up to 10 sec. simultaneously. Press

UP to advance through

tests.

Deactivate: Press

UP for up to 10 sec. Diagnostic Mode will automatically deactivate after 5 min. of inactivity.

Note: Silence alarm.

• Tests marked with “*” may not be applicable to this unit and will not be displayed in System Diagnostic Mode.

• Tests displayed in diagnostic mode but not described below are for internal purposes only; advance through.

• View UI display for “on,” “off,” “CL,” “OP,” “SH,” “LO,” “HI” or numerical results of tests.

• Listen for operating sounds; feel for heat or air ﬂow as appropriate to determine results of tests.

Test To activate test: Passing result

-- First Screen -- Blank UI display, no LEDs illuminated.

-- Second Screen -- All LED lights on UI illuminated.

-- Third Screen -- Blank UI display, no LEDs illuminated.

46 Humidity Sensor Activates automatically “OP” if open, “SH” if short. AC Heater System: Displays %RH. DC

Heater System: “HI” - heater should be on. “Lo” - heater should be

off. %RH is displayed when humidity is between “Lo” and “HI” values;

heater could be on or off.

2 Freezer Defrost

Heater

Press power on-off Freezer defrost heater on when “on”; off when “off”. Evaporator thermis-

tor temperature is ﬂashed. Watch for temp increase with the heater on.

It may take a few minutes for the evaporator to heat up.

3 FF Lights powered

by external board

Press power on-off FF lights on when “on”; off when “off”

12 Condenser Fan Press power on-off Fan running when “on”; stopped when “off”

41 Perfect Temp

Drawer (PTD)

Press power on-off PTD UI illuminated when “on”; off when “off”

43 Mullion Anticonden-

sation Heater

Press power on-off Flip Mullion Heater on when “on”; off when “off”

38 VCC Compressor Press power on-off Compressor on when “on”; off when “off”

15 Freezer Evapora-

tor Fan

Press power on-off Press to toggle between “off”, “Lo” and “HI”. A current sensor reading is

ﬂashed (units are not mA). OFF reading should be around 2. “Lo” speed

reading should settle down to around 9. “HI” speed reading should

settle down above 40.

20 FZ Lights Press power on-off FZ lights on when “on”; off when “off”

22 Damper Press power on-off With inspection mirror, observe damper open when “OP”; closed when “CL”

23 FF Door Open/close FF door “CL” on UI when door closed; “OP” when open

24 FZ Door Open/close FZ door “CL” on UI when door closed; “OP” when open

29 FF Thermistor Activates automatically UI shows temperature sensed by FF thermistor; pass if within 10°F of

temperature measured with gauge at FF thermistor location.

“OP” if open; “SH” if short

30 FZ Thermistor Activates automatically UI shows temperature sensed by FZ thermistor; pass if within 10°F of

temperature measured with gauge at FZ thermistor location.

“OP” if open; “SH” if short

33 Ambient Thermistor

@ Main Board

Activates automatically UI shows temperature sensed at main board; pass if within +20°F/-10°F

of temperature measured with gauge at main board location.

“OP” if open; “SH” if short

34 Ambient Thermistor

@ UI

Activates automatically UI shows temperature sensed at UI; pass if within +20°F/-10°F of tem-

perature measured with gauge at UI location. “OP” if open; “SH” if short

39 Freezer Evaporator

Thermistor

Activates automatically UI shows temperature sensed by freezer evaporator thermistor; pass if

within 10°F of temperature measured with gauge at evaporator thermistor

location. “OP” if open; “SH” if short

0- Firmware

Parameters

Press power on-off Displays digit sequence; record

1- Main Board

Firmware

Press power on-off Displays digit sequence; record

3- UI Firmware Press power on-off Displays digit sequence; record

ERROR CODES SPECIAL MODES

Display Interpretation Mode Display Activate Deactivate

FZ FF FZ FF (press for up to 10 sec. simultaneously)

-- OP Open FF Cavity

Thermistor

Manual Defrost d F FF

and FF - Same to deactivate

OP -- Open FZ Cavity

Thermistor

Demo / Showroom 77 77 FZ + and FF - Unplug to deac-

tivate

-- SH Shorted FZ Cavity

Thermistor

Sabbath Sb Sb FZ - and FF

Same to deactivate

SH -- Shorted FZ Thermistor System Diagnostic Blank UI display,

no LEDs illumi-

nated

FZ + and FZ - Press and hold FF

to deactivate

SY CF UI to Main Board com-

munication failure;

on start up

Current Air Temps FZ

Temp

Default Settings and

Temp Mode Buttons

Automatically after

10 seconds

SY CE UI to Main Board com-

munication error; after a

period of operation

Notes:

• Always check for pin back-outs, pinched or damaged wires before

replacing components.

• Determine whether failure is caused by the component, main control board or wiring.

Contact TID before replacing main control board.

• Refer to Service Manual for additional information.

SY EF Freezer Evaporator Fan

Failure

Service Mode For Perfect Temp™ Drawer

Activation

This mode is accessible only

when the drawer is in OFF

mode. Press and hold the

temperature decrease key (–)

and the temperature increase

key (+) for 5 seconds.

Deactivation

Press and hold the tempera-

ture (+) key for 5 seconds, or

no keys pressed in 5 minutes

returns to the OFF mode of

operation.

Test Operation

The up/down buttons

will be used to navigate

through the tests and

the ON/OFF button will

be used to initiate the

displayed test.

Fan Test

Display shows “F1”

for fan on or “F0” for

fan off.

Heater Test

Display shows “H1” for

heater ON or “H0” for

heater OFF.

Damper Test

Display shows “d1”

for damper open,

or “d0” for damper

closed. Damper

movement may take

30 seconds.

To Test Damper

1. Remove drawer.

2. Start damper test.

3. Observe damper

moving open and

closed.

4. Exit damper test.

Report NTC Temperature

Test

Display shows “b1” for

chamber sensor

test. The UI display will

show —°F until the main

board responds with asso-

ciated sensor temperature

reading.

Display Test

“L0” for display test. The

display test will cycle

through all the display seg-

ments with a minimal on

time for each segment.

Fault Codes Listed on Diagram Sheet

Replace Inverter Board

→ Check at Inverter Board on

Compressor

(BLK and RED wires)

Is Inverter Board receiving 10-15

VAC and 1-5 VDC from Main

Control Board?

→ Check at Main Control Board

(BLK/WHT and RED/BLK wires)

Is Main Control Board sending

10-15 VAC and 1-5 VDC to

Inverter Board?

→ Check at the connector from the power cord

harness into the inverter board, located in

the machine compartment.

(PUR and WHT wires)

Is Inverter Board receiving 115 VAC

from power supply?

• Check voltage supply.

• Check and repair power

cord harness wiring and

connections.

Identify and repair damaged wires or

poor connections between Main Control

Board and Inverter Board.

yes

→ Remove inverter box from the

compressor and check resistance

across compressor winding pairs as

shown.

Is resistance across all winding

pairs equal?

Replace Compressor and

Inverter Board.

→ Check connections from Inverter

Board to Compressor

Are connections from Inverter

Board to Compressor intact?

yes

Identify and repair damaged

wires or poor connections

between Inverter Board and

Compressor.

VCC Resistance Check

Check resistance between terminals 1 and

2, 2 and 3, 3 and 1.

If all resistances are equal,

compressor is operative.

Replace Main Control Board.

yes yes

yes

VCC COMPRESSOR MOTOR RESISTANCE CHECK

1 2

Inhaltsverzeichnis

Seite 1 - A06031201

SERVICE DATA SHEET A06031201FREEZER ICE MAKER - AUTOMATIC DEFROSTBOTTOM FREEZER - R134a POWERICE MAKERICE MAKERICE MAKERWATER VALVELINETHERMA

Seite 2 - Wire Diagram A06687901

ERF2500++ISOREFRIGERATORCONTROLRIBBED(NEUTRAL)NON-RIBBED(LINE)COMPRESSORGROUNDTHERMALCUT-OUTLINECAB. GROUNDRL2LINEFREEZEREVAPORATORHEATERFF LEDSNEUTRA

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