Walmart 9124911 Service Manual

Multi deck display

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9124911

Service Manual Walmart

Multi Deck Display

- NOTICE -

This service manual is prepared to be used by trained Service Technicians and should not be used by

those not properly qualified. If you have attended a training for this product, you may be qualified to

perform all repair procedures, replacements and adjustments described in this service manual.

The information presented in this document is only valid for Multi Deck Display configurations and is

not intended to be all encompassing. The individual specifications may differ.

Procedures for which you do not have the necessary tools, instruments or skills should not be performed

by you.

Technical data and specifications mentioned in this manual are subject to amendment without prior notice.

Reproduction of this service manual,

without the express written consent of Fri-Jado,

is prohibited.

Page 1

9124911 Service Manual MDD US 072024 Walmart

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Summary of Contents for Walmart 9124911

Page 1 Technical data and specifications mentioned in this manual are subject to amendment without prior notice. Reproduction of this service manual, without the express written consent of Fri-Jado, is prohibited. Page 1 9124911 Service Manual MDD US 072024 Walmart...
Page 2 All rights are reserved and nothing in this manual may be reproduced and/or made public in any way. Modifications: In case of unauthorized modifications in or on the unit, every liability on the part of the manufacturer becomes null and void. 9124911 Service Manual MDD US 072024 Walmart Page 2...
Page 3 9.0 Specifications MDD 48”- 3 9.1 Specifications MDD 48”- 3 10.0 Exploded view 3 level 10.1 Exploded view 3 level 10.2 Exploded view Electrical 11.0 Electrical schematic circuit 11.1 Electrical schematic wiring Page 3 9124911 Service Manual MDD US 072024 Walmart...
Page 4 Not Allowed to use water hose. Suggestions and recommendations. Notification Reading Take care off: Instructions referred to, too be read Recycling symbol. Part of manual Still under construction Minimum room floor area. Pictures or photos Still to be added Cleaning On regularly interval 9124911 Service Manual MDD US 072024 Walmart Page 4...
Page 5 • Always keep the unit in upright position. 1.4.3 Outdoor use restrictions WARNING To avoid short-circuiting, the units may not be used outdoors nor in a rainy or very moist environment. Page 5 9124911 Service Manual MDD US 072024 Walmart...
Page 6 Store the unit in a dry, non-condensing environment. • Ensure good ventilation. Disposal Dispose of the machine, any components or lubricants removed from it, safely in accordance with all local and national safety and environment rules and requirements. 9124911 Service Manual MDD US 072024 Walmart Page 6...
Page 7 Within Fri-Jado the definition of the left and right side of merchandisers is determined by looking at the direction in which the products are moving (indicated by the yellow arrow). Self-serve counter Serve over counter Page 7 9124911 Service Manual MDD US 072024 Walmart...
Page 8 The information presented in this document is valid for standard MDD- configurations, specifications for custom configurations may differ. No rights can be derived from this document. Specifications and technical data are subject to amendment without prior notice. 9124911 Service Manual MDD US 072024 Walmart Page 8...
Page 9 It is the consumer’s responsibility to make sure the electrical installation conforms with current national and local codes and wiring regulations. Failure to follow these instructions can result in serious injury or even death. Page 9 9124911 Service Manual MDD US 072024 Walmart...
Page 10 SV - Läs igenom bruksanvisningen innan du fortsättler. FI - Lue käyttöohje ennen kuin otat laitteen käyttöön. Lift the unit from the support beams using a pallet truck or forklift. Remove the supporting beams. 9124911 Service Manual MDD US 072024 Walmart Page 10...
Page 11 Air blockers !! Last step of installation is the installation of the air blockers on each shelf. Without the air blockers in position, the performance of the MDD can not be guaranteed. Page 11 9124911 Service Manual MDD US 072024 Walmart...
Page 12 NO - Les nøye gjennom instruksjonene før du tar apparatet i bruk. SV - Läs igenom bruksanvisningen innan du fortsättler. FI - Lue käyttöohje ennen kuin otat laitteen käyttöön. Repeat step 3 & 4 for all shelves. 9124911 Service Manual MDD US 072024 Walmart Page 12...
Page 13 When switched on, the display performs a lamp test; the display and LED’s will flash for several seconds to check all functions are working correctly. Control Panel On/Off Switch: Switch at the top of the back of the unit. Page 13 9124911 Service Manual MDD US 072024 Walmart...
Page 14 If you need any assistance in determining the best setup for your hot food-to-go offering (such as temperature set point, packaging and accessories), please contact Fri-Jado. 9124911 Service Manual MDD US 072024 Walmart Page 14...
Page 15 ºF Display offset Sensor type, 0 = ptc, 1 = ntc Installer parameters: Cold “C(0)”or hot “H(1)” operation ºF Max. temp alarm ºC, 1 = ºF) Unit of measurement (0 = Page 15 9124911 Service Manual MDD US 072024 Walmart...
Page 16 For detailed cleaning instructions refer to User manual. Cleaning Shelf(s) • Remove products from shelf. • Switch off unit, and let cool down. • Clean shelf glass with moist cloth, using a mild detergent only. 9124911 Service Manual MDD US 072024 Walmart Page 16...
Page 17 Place ampere pliers around red wire of Element. In normal working condition, test current see below. (208V version) MDD-48 Shelf Power Current Resistance Watt Ampere Shelf 1 1130 38,5 Shelf 2 1130 38,5 Bottom 1500 28,8 Page 17 9124911 Service Manual MDD US 072024 Walmart...
Page 18 1. Electronic controller malfunction 2. Blown fuse 3. Loose wiring connection No air flow inside unit 1. Fans do not work 2. Blown fuse 3. Loose wiring connection 4. 24 Vdc power supply malfunction 9124911 Service Manual MDD US 072024 Walmart Page 18...
Page 19 PTC 1000 sensor The unit is not reaching Loose sensor Check Resistance the set temperature or does not heat up at all Broken Sensor Check sensor wiring The unit becomes too Replace sensor Page 19 9124911 Service Manual MDD US 072024 Walmart...
Page 20 Not applicable for MDD Not applicable for MDD Controller error Sensor error Alarm Reset - Power controller OFF and power ON controller again. - Switch controller OFF and ON again via main switch. 9124911 Service Manual MDD US 072024 Walmart Page 20...
Page 21 Before sliding the new pane into the rails, ensure the black screening side of the pane is facing backwards. Slide it all the way back till the front of the pane is in line with the front plating. Page 21 9124911 Service Manual MDD US 072024 Walmart...
Page 22 Back panel: Remove back panel, by removing the holding screws (left and right bottom corner) Screwed from underneath. Pull panel slightly towards you and down, to remove. Replace in reverse order. 9124911 Service Manual MDD US 072024 Walmart Page 22...
Page 23 Take LED light out and place new LED. Connect the wires from the new LED in the column, taking care of the notes you made regarding the red and black cable. Replace in reverse order. Page 23 9124911 Service Manual MDD US 072024 Walmart...
Page 24 Take care of connecting: Red to Red, Blue to Blue, and Yellow/green to Yellow/green. Most of the times, this wire can stay as is. Replace in reverse order. 9124911 Service Manual MDD US 072024 Walmart Page 24...
Page 25 Remove Complete Solid back (6 screws depending on version). Remove glass pane clamp. (4 or more bolts depending on unit length). Remove Shelf Glass pane (refer 8.4). Remove fan box (1 connector, two screws). Replace in reverse order. Page 25 9124911 Service Manual MDD US 072024 Walmart...
Page 26 Insert new sensor, feeding cable in the same way as previous one. Connect sensor cable on contact points in electrical box from which the old cable was disconnected. Replace in reverse order. 9124911 Service Manual MDD US 072024 Walmart Page 26...
Page 27 Check wiring of LED driver, make a note of the wires (numbers) and their placing (numbers on LED driver). Disconnect LED driver and take out. Mount new LED driver and re-connect wiring according notes from point 2 Page 27 9124911 Service Manual MDD US 072024 Walmart...
Page 28 4211 Required fuses 3 x 20A Heating fan power Nr. of heating fans (total) Heating element bottom shelf 1500 power (-0/+10%) Heating element upper shelves 1130 power (-0/+10%) LED lighting power 9124911 Service Manual MDD US 072024 Walmart Page 28...
Page 29 9.1 Specifications MDD 48”- 3 Page 29 9124911 Service Manual MDD US 072024 Walmart...
Page 30 10.0 Exploded view 3 level 9124911 Service Manual MDD US 072024 Walmart Page 30...
Page 31 Rear cover Shelf MDD 48 9384395 Glass clamp shelf MDD 48 9384360 Bottom Shelf Glass pane MDD 48 9382081 Bottom Heating Element MDD 48:1075x540 1500W 9382096 Heat conduction plate bottom 9385036 Heat conduction plate 9385035 Page 31 9124911 Service Manual MDD US 072024 Walmart...
Page 32 10.1 Exploded view 3 level 9124911 Service Manual MDD US 072024 Walmart Page 32...
Page 33 Air guide 48 9382063 Plinth front/Back 9384018 Plinth side 9394096 Cover back turnable 9390051x Bumper back 9393015 + 9393016 Bumper end cap 9221066 22 F 22 S Left 22 S right 22 B Page 33 9124911 Service Manual MDD US 072024 Walmart...
Page 34 10.2 Exploded view Electrical 9124911 Service Manual MDD US 072024 Walmart Page 34...
Page 35 9381013 Thermostat Eliwell C plus 902 9281071 Switch black 1-0 250V Guarded 9281036 LED Holder Top LED 9394070 Connector 9392107 Connector 9392106 Connector 9392108 Connector 9392105 Compact fan 614 NN 9381015 Page 35 9124911 Service Manual MDD US 072024 Walmart...
Page 36 11.0 Electrical schematic circuit 9124911 Service Manual MDD US 072024 Walmart Page 36...
Page 37 11.1 Electrical schematic wiring Page 37 9124911 Service Manual MDD US 072024 Walmart...
Page 38 Fri-Jado Inc. Fri-Jado B.V. 1401 Davey Road, Suite 100 Blauwhekken 2 Woodridge IL 60517 4751 XD Oud Gastel The Netherlands Tel: +1-630-633-7950 Tel: +31 (0) 76 50 85 400 https://www.frijado.com 9124911 Service Manual MDD US 072024 Walmart Page 38...