Related Manuals for Zero ARB
Summary of Contents for Zero ARB
- Page 1 SERVICE MANUAL ZERO Single Zone Models: 36L (38qrt), 44L (46qrt), 60L (63qrt), 73L (77qrt), 105L (111qrt) Dual Zone Models: 69L (73qrt), 96L (101qrt)
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Page 2: Table Of Contents
General information ....................2 How to use this manual ....................2 Contact information ....................2 WARRANTY ........................3 ARB Fridge Freezer Limited Warranty ............... 3 Warranty procedure for service agents ..............3 STANDARD SERVICE/WARRANTY TIMES ............... 4 SPARE PARTS ........................5 Spare parts list ...................... -
Page 3: Introduction
1 INTRODUCTION 1.1 General information This manual is for the sole use of ARB approved repairers and provides information on servicing the ARB Zero Fridge Freezer (Type 10802010 -> 10802070). The part numbers covered by this manual include 10802XYZ, where XY is the specific fridge size and Z is the country destination. -
Page 4: Warranty
It is the responsibility of the owner to deliver and pick up the appliance from the place of service. ARB reserves the right to change the warranty conditions at any time by public notice and by attaching a clear change of warranty terms and conditions notice to the product visible at time of purchase. No party other than ARB Corporation Ltd is authorised to change the terms or conditions of this warranty. -
Page 5: Standard Service/Warranty Times
The table above list warranty times for the service of individual components. If a single item is serviced or replaced and the warranty time is less than 0.5 hours, ARB will accept a total warranty time of 0.5 hours. This will allow for assessment and administration of the warranty claim. -
Page 6: Spare Parts
1 kit 10910142 LID LATCH ZERO 60/69/73/105L 1 kit 10910143 LID LATCH ZERO 96L 1 kit 10910144 CABINET PIN HINGE ZERO 36/44L 1 pair 10910145 CABINET PIN HINGE ZERO 60/69/73/96/105L 1 pair 10910146 LID SOCKET HINGE ZERO 36/44L 1 pair... -
Page 7: Spare Parts Exploded Drawing
4.2 Spare parts exploded drawing The items in the following exploded diagram correspond with the items in the table in section 4.1. Revision Date – 15/07/2020 page 6... -
Page 8: Minimum Stocked Spare Parts
Minimum stocked spare parts ARB recommends that the following parts be stocked by all ARB fridge freezer service agents. As these parts are consumed, they should be replaced as soon as possible to ensure that all items are on hand when required. -
Page 9: Tools Required
The following tools will be required to perform specific non-refrigeration based servicing of the fridge (refer to section Check vehicle wiring DC Voltage Drop tester (available from ARB – part # 10910040) Replace serviceable thermistor (refer to section 9.10) Heat transfer paste (available from Jaycar p/n NM-2012) 5.2 Servicing the refrigeration system... -
Page 10: Troubleshooting
Check the vehicle wiring is adequate. - For cable lengths up to 6m (20’), ARB recommends a minimum automotive cable size of 6 mm (4.5 mm - For cable lengths greater than 6m (20’), ARB recommends that you consult a qualified technician for advice on the correct wire size. -
Page 11: Dc Power Supply
TROUBLESHOOTING 6.2 DC Power Supply Symptom Possible Cause(s) Suggested Action(s) Fridge does not run when 12/24V DC plug fuse has Replace 12/24V DC plug fuse (refer to using a 12/24V DC power blown. section 9.11. supply. Fault with 12/24V DC fridge Check continuity of lead from plug to power lead. - Page 12 Test continuity of wiring loom from main circuit board to control panel circuit board. If fault identified and unrepairable, contact ARB for advice. Fridge will not run when DC Faulty main circuit board. Replace main circuit board (refer to section input voltage exceeds 13.8V...
- Page 13 TROUBLESHOOTING DC Power Supply (continued) Symptom Possible Cause(s) Suggested Action(s) 12/24V DC fridge lead plug Fault within 12/24V DC fridge Check continuity of lead from plug to fuse blows repeatedly. power lead. socket. Replace lead if faulty or damaged. Incorrect fuse used in plug. Install the correctly rated fuse.
- Page 14 TROUBLESHOOTING DC Power Supply (continued) Symptom Possible Cause(s) Suggested Action(s) Fridge runs but digital Faulty control panel circuit Test with new control panel circuit board display is not visible. board. (refer to section 9.4). If symptom resolved, replace circuit board. Fridge runs but cannot Faulty control panel circuit Test with new control panel circuit board...
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Page 15: Ac Power Supply
TROUBLESHOOTING 6.3 AC Power Supply Symptom Possible Cause(s) Suggested Action(s) No power to fridge when Poor connection of plug to Check that plug is correctly installed into using a 100-240V AC power back of fridge. the socket in back of fridge. supply. -
Page 16: Cooling
TROUBLESHOOTING 6.4 Cooling Symptom Possible Cause(s) Suggested Action(s) Fridge does not cool. Poor ventilation. Check that there is sufficient clearance Compressor runs. around the fridge and that the fan is not obstructed. Compressor starts and stops Check that the correct battery protection because the battery setting is selected (refer section 6.6). - Page 17 TROUBLESHOOTING Cooling (continued) Symptom Possible Cause(s) Suggested Action(s) Temperature display is not Time lag has not been Allow the fridge to reach the set accurate with cabinet allowed for. temperature and cycle a few times before temperature. assessing accuracy of temperature. NOTE: A display temperature within 2- 3°C (3.6-5.4°F) of the actual temperature at the base of the...
- Page 18 TROUBLESHOOTING Cooling (continued) Symptom Possible Cause(s) Suggested Action(s) Fridge cools but Poor ventilation. Check that there is sufficient clearance compressor runs around the fridge and that the fan is not continuously. obstructed. Fridge is operating at or near The thermal capacity of the system is the thermal capacity of 50°C (122°F) below ambient temperature.
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Page 19: General
TROUBLESHOOTING 6.5 General Symptom Possible Cause(s) Suggested Action(s) Latch does not easily The seal is causing the lid to Press down on the lid slightly to help disengage from lid. sit away from the fridge disengage the latch from the lid. cabinet. -
Page 20: Battery Protection Settings
TROUBLESHOOTING 6.6 Battery Protection Settings The ARB Zero Fridge Freezer is fitted with a battery monitor to control the level of discharge of the supply battery. The battery monitor has three settings; HIGH, MEDIUM and LOW. When set to HIGH, the battery monitor will provide maximum protection for the battery against excessive discharging. -
Page 21: Fault Finding Flow Charts
Refer to TEST COMPRESSOR CONTROL UNIT Refer to IS THE REPLACE CONTROL UNIT COMPRESSOR reassemble, test unit and return to customer CONTROL UNIT Refer to FAULTY? FRIDGE DOES NOT RUN Contact ARB for technical advise Revision Date – 15/07/2020 page 20... -
Page 22: Fridge Will Not Run On 12/24V Dc Power
COMPRESSOR RUNS REPLACE COMPRESSOR COMPRESSOR DOES NOT RUN REPLACE COMPRESSOR install new compressor control unit, Contact a licensed refrigeration Contact ARB for technical advice Contact a licensed refrigeration mechanic reassemble, test unit and return to mechanic for assistance. for assistance customer NOTE: THIS IS EXTREMELY UNLIKELY Revision Date –... -
Page 23: Checks And Tests
Compressor. These voltage drop testers are available from ARB and have been specifically built to simulate the running of an ARB Fridge Freezer (all models). The procedure for testing a vehicle wiring system using a voltage drop tester is given below. Suggested actions based on the results of the voltage drop test are given at the end of this procedure. - Page 24 NOTE: ARB recommend that a dedicated wiring circuit be used to connect the fridge directly to the battery via a suitable fuse. Refer to the wiring advice below Press the red button on the voltage drop tester and hold for no longer than 10 seconds.
- Page 25 Calculate the voltage drop by using the formula below. VOLTAGE VOLTAGE VOLTAGE DROP ‘A’ ‘B’ If the voltage drop is greater than 0.5 V in a 12V DC system, significant voltage drop is present within the circuit while the fridge is running. TEST OUTCOMES –...
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Page 26: Test Ac Rectifier
8.2 Test AC Rectifier WARNING: This test should only be performed by a licensed electrician. Both the DC power supply and AC power supply are controlled via the AC rectifier unit. If the fridge is not receiving adequate power from the supply source, it is recommended to first eliminate the AC rectifier as the possible cause. - Page 27 TEST ON DC POWER Remove the front cover as described in Section 9.3. Plug the DC power plug into the front of fridge and turn the fridge on. Take a multimeter and set the display to DC voltage. Locate the compressor control unit on the left hand side of the fridge connected to the compressor.
- Page 28 TEST OUTCOMES The measured voltage is very low (almost 0VDC) when AC or DC power is supplied. A. Remove the AC power source from the fridge. Check that the fridge internal wires, terminals and joints are clean and in good condition. B.
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Page 29: Test Compressor Control Unit - 12/24V Dc
“T”, “P” and “C”. Apply 12 or 24V DC to terminals “+” and “-” on the compressor control unit. ARB recommends that the supply voltage be applied through the DC power socket in the back of the fridge and not directly to the compressor control unit. - Page 30 TEST PASS – COMPRESSOR RUNS With terminals “T” and “C” connected, the compressor should start running and the system should start cooling. In this case, the compressor control unit is functioning correctly. The compressor control unit has now been eliminated as a possible fault. The next step is to investigate a fault in the main circuit board, the control panel circuit board, the thermistor or the wiring loom.
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Page 31: Test Thermistor
8.4 Test Thermistor Purpose: To verify that the thermistor is operating correctly. Single Zone main circuit board. Disconnect all power leads from the back of the Thermistor Socket fridge. Remove main circuit board (refer to section 9.6). Locate and disconnect the 2 pin male thermistor plug on the main circuit board. -
Page 32: Adjust Internal Temperature Correlation
TEST PASS If the measured resistance is within ± 5k Ω of the tabulated value, the thermistor is functioning correctly. TEST FAIL If the measured resistance varies greatly from the tabulated value or an open circuit is detected, the thermistor is faulty and should be replaced (refer to section 9.10). 8.5 Adjust internal temperature correlation Purpose: To adjust the internal temperature calibration so that the display temperature matches the... -
Page 33: Service And Repair
9 SERVICE AND REPAIR 9.1 Handles – Replace With Allen key, remove all six fasteners securing the handle assembly. Remove the plastic handle assembly. With Allen key, remove all four fasteners securing the handle support bracket. Remove the handle support bracket. Revision Date –... -
Page 34: Corner Columns - Replace
9.2 Corner Columns – Replace With Allen key, remove all four fasteners from the column. The column should fall off the fridge and remove easily. To refit corner columns To refit column, align column on corner of fridge. Hold firm in position and install the top fastener and tighten loosely. -
Page 35: Front Cover - Replace
9.3 Front Cover – Replace To remove front cover Disconnect all power leads from the back of the fridge. Remove the two rear columns secured to the front cover as described in Section 9.2. Remove the side screws from the front cover. There are three screws on each side of the front cover. - Page 36 Remove all wires connected to the power supply panel and the touchpad panel. Take note of where the wires connect to these Power supply panel circuit boards. Touchpad panel To remove the power supply panel, first peel back the decal with thin blade. This will allow access to four screws securing the power supply panel.
- Page 37 To refit front cover Refitting the front cover is reversal of the removal process. Refit the touchpad panel and power supply panel. Refit the decals for the touchpad and power supply. Insert all wire terminals into their correct position. Flip the front cover back over the fridge cabinet as shown.
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Page 38: Control Panel Circuit Board - Replace
The touch pad decal is an integral sealing component used to reduce water ingress around the electronic control panel. The touch pad is a single use item only. ARB recommends removing and replacing a damaged touch pad to maintain sealing integrity. -
Page 39: Compressor Control Unit - Replace
9.5 Compressor control unit – Replace Disconnect all power leads from the back of the fridge. Remove the front cover as described in Section 9.3. It is not necessary to remove all circuit boards as described in Section 9.3. Locate the compressor control unit mount on the compressor. -
Page 40: Main Circuit Board - Replace
9.6 Main circuit board - Replace Disconnect all power leads from the back of the fridge. Remove the front cover as described in Section 9.3. It is not necessary to remove all circuit boards as described in Section 9.3. Locate the main circuit board and disconnect all connectors from the main circuit board. - Page 41 MAIN PCB (SINGLE ZONE FRIDGES) CABINET LIGHT THERMISTOR COMPRESSOR CONTROL UNIT DC JUNCTION DISPLAY EMERGENCY OVERIDE COMPRESSOR SWITCH CONTROL UNIT MAIN PCB (DUAL ZONE FRIDGES) THERMISTOR THERMISTOR LIGHT LIGHT FRONT REAR REAR FRONT COMPRESSOR CONTROL UNIT DC JUNCTION DISPLAY EMERGENCY DUAL OVERIDE COMPRESSOR...
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Page 42: Compressor Base Plate - Replace
9.7 Compressor base plate – Replace Remove the front cover as described in Section 9.3. It may not be necessary to remove all circuit boards as described in Section 9.3. Remove the bolts securing the compressor to the base plate. To do this, you will need to hold the top securing nuts with a spanner. - Page 43 With screw driver, remove all remaining screws securing the base plate to the fridge cabinet and column. The compressor base plate can now be removed. To refit the new base, reverse the process as described in this section. Revision Date – 15/07/2020 page 42...
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Page 44: Ac Rectifier - Replace
9.8 AC Rectifier - Replace Remove the compressor base plate as described in Section 9.7. Pull out the AC Rectifier assembly to gain access to the assembly. Remove the plastic cover by unscrewing the four retaining screws. Remove the AC Rectifier PCB from the plastic housing by unscrewing the four retaining screws. - Page 45 Remove the wires connected to the AC Rectifier. These screws are located to the left as shown. Disconnect and remove the wires connected to the AC power socket. Disconnect and remove the wires connected to the Main PCB. The AC Rectifier can now be removed from the fridge.
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Page 46: Cooling Fan - Replace
9.9 Cooling Fan - Replace Single Zone Main Circuit Board Disconnect all power leads from the back of the fridge. Remove the front cover as per Section 9.3. Disconnect the fan connector from the main circuit board. Fan Connector Connect the new fan to the main circuit board. Dual Zone Main Circuit Board Connector DC power to the fridge temporarily and confirm correct operation of the fan. -
Page 47: Thermistor - Replace
9.10 Thermistor – Replace Disconnect all power leads from the back of the fridge. Remove the front cover (refer to section 9.3). Locate the thermistor cable to left hand side of fridge. Remove and retain the screw, “P”-clip and sealing compound that retain the thermistor wire. - Page 48 Place the old thermistor alongside the new one. Mark new thermistor Transpose the mark made in the previous step from the old thermistor wire onto the new one. Old thermistor Apply thermal heat transfer paste to the metallic end of the thermistor as shown. This paste is available from Jaycar (p/n NM-2012) Apply heat transfer paste...
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Page 49: Plug Fuse (12/24V Dc) - Replace
9.11 Plug fuse (12/24V DC) - Replace Disconnect the 12/24V DC power lead from all power supplies. Unscrew end of plug from housing. Separate plug and housing. Remove fuse from plug. Replace the device fuse with a new fuse of the same rating. -
Page 50: Service By Refrigeration Mechanic
10 SERVICE BY REFRIGERATION MECHANIC 10.1 Compressor recharge information The ARB fridge freezer range as designated in this manual use refrigerant R134a. ZERO ZERO ZERO ZERO ZERO ZERO ZERO Fridge Model 69L DZ 96L DZ 105L Fridge Type 10802010 10802020... -
Page 51: Wiring
11 WIRING 11.1 Wiring diagram (Single Zone) Revision Date – 15/07/2020 page 50... -
Page 52: Wiring Diagram (Dual Zone)
11.2 Wiring diagram (Dual Zone) Revision Date – 15/07/2020 page 51...
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