Engel MHD13F-DM Manuel utilisateur

MODEL :

MHD13F-DM 0642 013 4020

2020.12

SERVICE MANUAL

●FOR REFRIGERATOR USERS

・

Failing to service properly may result in poor reliability of the refrigerator.

・

Read this booklet carefully and perform servicing with great care.

・

●FOR SAFETY OF YOURSELF

・

●SAFETY SYMBOLS

・

The following warning labels in this booklet indicate precautions for service work.

Comply with what each symbol indicates whenever it appears.

●REFRIGERATOR MODEL

・

This manual is compatible with described model in below.

Please check refrigerator model.

(Lable place as picture)

MODEL

MHD13F-DM

Lead to failure of the refrigerator set or its components if failed to comply

with this precaution

This service manual describes maintenance procedures for ENGEL refrigerator.

This manual is intended for repair engineers who are familiar with basics service skills and

knowledge for ENGEL refrigerator.

This manual does not guarantee correct maintenance when service is done by a non-skilled

worker without technical knowledge.

Note that the content of this booklet including product specifications is subject to change for

improvement without notice.

Always comply with the procedures, directions, and work tips in this booklet when servicing the

refrigerator.

To secure safe and correct servicing, read this manual thoroughly in advance and check if there

are protective equipment and appropriate tools and service parts ready as well as technical skills

necessary to perform servicing.

May lead to death or serious injury if failed to comply with this precaution

May lead to injury if failed to comply with this precaution

WORK TIPS

CONTENTS

1. SPECIFICATIONS　・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・

■ Specifications Table　・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・

■ Dimensions　・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・

2. INSTALLING A REFRIGERATOR　・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・

■ Installation　・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ 3

■ Temperature Setting ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・

3. PARTS NAME ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・

4. CONNECTING DIAGRAM　・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・

　■ Block Diagrams　・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・

■ Wiring Diagrams　・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・

5. TROUBLE SHOOTING　・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・

■ Error Code (digital display) ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・

■ Does not get Cold ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・

■ Cooling is Weak ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・

■ Refrigerator is too Cold. (Can not be temperature adjustment) ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・

■ It will not get Hot ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・

■ Typical Problem　・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・

■ Technical Data　・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・

6. CHECK POINT＆CHECK METHOD　・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・

【Check 1】 Special Fuse.　・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・

【Check 2】 Output Voltage of the Power Supply. ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・

【Check 3】 Input Voltage of the Compressor. ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・

【Check 4】 Resistance of the Compressor. ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・

【Check 5】 Resistance of the EVA. Thermistor.　・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・

【Check 6】 Resistance of the Heater Assy.　・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・

　【Check 7】 Fan Motor Assy. ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・

【Check 8】 Compressor Rated Current. ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・

7. REPLACING PARTS　・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・

【How to Replace Cooling System】　・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・

【How to Replace Power Supply】　・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・

【How to Replace Fan Motor】　・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・

【How to Replace Control Assy】・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・

■ Specifications Table

Material

Heat

insulator

Material

Heat

insulator

Refrigerator

(With fan)

Warm

(The fan motor stop)

LBS.

※ Tolerance is omitted

1. SPECIFICATIONS

MODEL

MODEL CODE

STORAGE VOLUME

EXTERIOR DIMENSIONS

W×D×H

17.4×11.2×14.6　※

442×284×372　※

MHD13F-DM

0642 013 4020

INTERIOR DIMENSIONS

W×D×H

13.7×7.5×7.5　※

348×190×190　※

DOOR

Polypropylene resin

Foamed polyurethane

CABINET

Polypropylene resin

Foamed polyurethane

INPUT VOLTAGE

DC 12/24

INPUT CURRENT

DC12V/3.0A DC24V/1.5A

DC12V/2.8A DC24V/1.4A

COMPRESSOR RATING

AC 15V, 27W 　

REFRIGERANT

Dichlorodifluoromethane (HFC-134a)

TEMPERATURE RANGE

−18℃ to 45℃

(Ambient of 25℃ at no load ）

TEMPERATURE CONTROL

Automatic temperature control by dial setting

(Electronic thermostat control type)

WEIGHT

25.3

11.5

■ Dimensions

※ Tolerance is omitted

(mm)

1. SPECIFICATIONS

284

190

442

372

348

190

■ Installation

①

②

③

④Install refrigerator away from each wall at least 150mm or more. (Fig 2)

⑤Avoid installing your fridge close to a kitchen sink or faucet. (water)

⑥Clean the interior with a cloth moistened in warm water and wipe with a dry cloth.

⑦Never use the ENGEL refrigerator inside a freezer container car or refrigerator container car. 

2. INSTALLING A REFRIGERATOR

Your shockproof fridge should be installed on a level and solid surface although it will operate

satisfactory for long period on angles of up to 30°.

Be sure your fridge is not in direct sunlight, (Fig 1) near a gas stove, heater, or other heat-generating

appliances.

In order to get good cooling performance and less current consumption, adequate ventilation for

refrigerator is needed.

Condensation can easily occur in the interior of the refrigerator container car and freezer container car,

causing water drops to fall in the refrigerator and damage the equipment.

■ Temperature Setting

Set the cabinet inside air temperature range by means of the Temperature controller.

TEMPERATURE SETTING　(see Fig 6)

Temperature range – Achievable temperature from　-18 ～ 55℃ ( 0 ～ 131°F ) at Ambient of 25°C　(77°F).

The preset temperature is displayed when the LED starts blinking.

The approximate interior temperature of the cabinet will be displayed once the LED lights up.

When the “SET” button is depressed for 3 seconds (long push), the LED display will blink.

During this mode, the cabinet temperature can be selected by pressing the “UP” and ”DOWN” button.

Pressing/holding onto the “UP” and ”DOWN” buttons will continuously change the range of the temperature.

SELECTING TEMPERATURES (°C or °F).

TROUBLESHOOTING

When error message is displayed, the unit will be on “standby mode”. Operations will stop.

2. INSTALLING A REFRIGERATOR

After pre-setting the temperature, the LED display will

stop blinking (after a few seconds), indicating the

temperature has been set (lock).

It is not necessary to reset the temperature again as the

temperature has been stored.

The product will now operate at the selected

temperature.

It is possible to select between Celsius or Fahrenheit with product.

When the “SET” button is depressed for 3 seconds, the LED display will blink. Pressing the “SET”

button during this mode will display the °C →°F →°C →°F change.

After pre-setting the temperature, the LED display will stop blinking (after a few seconds), indicating the

temperature has been set (lock).

Error message will be displayed if the voltage of the battery is low or in the event of any malfunctions –

(See page 9 ).

3. PARTS NAME

SHOULDER STRAP

CONTROL ASSY

(TEMPERATURE

CONTROLLER)

FAN MOTOR

POWER SUPPLY

COOLING SYSTEM

LATCH ASSY

DIAL

DOOR ASSY

CASE BOTTOM

TERMINAL BLOCK

DC CORD

HINGE

SPECIAL FUSE

HOLDER ASSY

COMPRESSOR

EVAPOLATOR

THERMISTOR (EVA. THERMISTOR)

(It is inside the insulation)

WIRE

CONDENSER

HEATER ASSY

■ Block Diagrams

■ Wiring Diagrams

4. CONNECTING DIAGRAM

■Error Code (digital display)

Error message will be displayed if the voltage of the battery is low or in the event of any malfunctions – (see table below).

When error message is displayed, the unit will be on “standby mode”. Operations will stop.

　　　　　※DEFAULT VALUES FOR BATTERY PROTECTION

5. TROUBLE SHOOTING

An error is displayed

on the digital display.

※(MHD13F-DM Only)

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