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Neptune Service Tech Guide

Neptune Service Tech Guide. MAIN. NEXT. CONSUMER COMPLAINT. TROUBLE SHOOTING. LAST. PREV. Entering Service Mode. Customer Complaint. Service Mode Tests. Codes on Display. Component Troubleshooting. Wash Performance. Diagnostic Codes. Schematics. Help Codes. 5500 &55FL. 6500.

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Neptune Service Tech Guide

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  1. Neptune Service Tech Guide MAIN NEXT CONSUMER COMPLAINT TROUBLE SHOOTING LAST PREV Entering Service Mode Customer Complaint Service Mode Tests Codes on Display Component Troubleshooting Wash Performance Diagnostic Codes Schematics Help Codes 5500 &55FL 6500 7500 Crosley HE

  2. Component Trouble shooting MAIN NEXT CONSUMER COMPLAINT TROUBLE SHOOTING LAST PREV Electrical Connections Component Locator Water Valve Membrane Pad Door Lock Pump Unbalance Circuit Motor & Controller Electronic Control

  3. Customer Complaints MAIN NEXT CONSUMER COMPLAINT TROUBLE SHOOTING LAST PREV Not Draining Leaking Water Temperature Not Tumbling Suds Not Filling Wet Clothes Noisy Display Lights Up Not Locking Not Dispensing Not Unlocking Not Spinning Does not start Stops Mid Cycle Run Time Too Long Time Jumps Continues to Fill Wrinkled Boot

  4. MAIN NEXT CONSUMER COMPLAINT TROUBLE SHOOTING LAST PREV Wash Performance Lint on Clothes Tearing / Ripping Suds on Clothes Tangling

  5. MAIN NEXT CONSUMER COMPLAINT TROUBLE SHOOTING LAST PREV Entering Service Mode BEFORE proceeding, remove articles in tub. Service Mode allows you to enter the diagnostics of the machine control to verify the system operation of the unit and check component function. FOR MAH5500,55Fl,6500 Models Simultaneously press “DELICATES & HEAVY SOIL”, hold until an audible triple beep Displays “00”. You are now ready to proceed with System Checks and component diagnosis. Continue…

  6. MAIN NEXT CONSUMER COMPLAINT TROUBLE SHOOTING LAST PREV Entering Service Mode BEFORE proceeding, remove articles in tub. Service Mode allows you to enter the diagnostics of the machine control to verify the system operation of the unit and check component function. FOR 7500 Models Simultaneously press “DELICATES & HEAVY SOIL”, hold until the following screen appears Continue…

  7. MAIN NEXT CONSUMER COMPLAINT TROUBLE SHOOTING LAST PREV Entering Service Mode BEFORE proceeding, remove articles in tub. Service Mode allows you to enter the diagnostics of the machine control to verify the system operation of the unit and check component function. FOR CROSLEY MODELS (CAH4205) MODELS Simultaneously press “ *HIDDEN & HEAVY SOIL” keys, hold until Display reads “00”. The * hidden key is located under the surface of the last character (y) in the brand name. * Hidden Key

  8. MAIN NEXT Service Mode Tests CONSUMER COMPLAINT TROUBLE SHOOTING LAST PREV Control Board Output Tests Control Board Input Tests Quick Spin Test Quick Service Cycle Fast Time Down Test No Fill Test

  9. Component Trouble shooting MAIN NEXT CONSUMER COMPLAINT TROUBLE SHOOTING LAST PREV Electrical Connections Electrical Connections can be a major source of No Apparent defects and (NAD) and Operation Normal service calls. Poor electrical connections can cause intermittent problems leading to misdiagnosis and repeat service calls. It is always a good idea to rule this out prior to diagnosing any major problems. • Always ensure electrical connectors are fully inserted and latched at both ends of a circuit. • Remove the connector and check to ensure the wires are properly crimped and seated in the terminal. Any loose wires in the crimp could cause intermittent problems. • Reconnect the connector at both ends and make sure it is fully latched. Replace harness if loose wires exist. • Look at terminals (both male and female) for evidence of burn marks. If burn marks are present, there is a good possibility a loose connection exists.

  10. Component Trouble shooting MAIN NEXT CONSUMER COMPLAINT TROUBLE SHOOTING LAST PREV Water Valve Service Mode: “DELICATES & HEAVY SOIL”, Displays “00”( *Hidden & Heavy soil for Crosley) Press “RINSE”, Displays “ot” (Oh Tee, output test mode) Press “COTTON STURDY”, hot water should be dispensing (“Normal” for Crosley) Press “WRINKLE FREE”, cold water should be dispensing Press “DELICATES”, water should be dispensing into bleach cup (*Hidden Key for Crosley) (Note: cold or hot water valve must be toggled on for bleach water to dispense) Press, “HAND WASH”, water should be dispensing into softener cup (Note: cold or hot water valve must be toggled on for softener water to dispense) Press, “COTTON STURDY, WRINKLE FREE, DELICATES, HAND WASH” to toggle off all the valves Press, “PRESOAK”, pump will turn on to drain the tub, press again to toggle off once water is removed. Press, “OFF” twice to exit the output test mode.  If valve does not work Check electrical connectionson valve and board outputs to valve. Check pressure switch using board Input Test. If sensing a high level, valve will not turn on. Check to see if there is water in the tub. Drain water performing the pump output test. Check door lock sense circuit.

  11. Component Trouble shooting MAIN NEXT CONSUMER COMPLAINT TROUBLE SHOOTING LAST PREV Membrane Pad Service Mode: “DELICATES & HEAVY SOIL”, Displays “00” Press “WRINKLE FREE”, Displays “OU.” Press each button once, sequencing from left to right. All the embedded LED’s should light up except wrinkle free. The “U” will alternate as buttons are pressed. After all buttons have been pressed, the Estimated time display will display, “PA” if there are no issues with the membrane switch pad. Note: If there is at any time 5 seconds of inactivity, the test will exit. If other diagnosis needed, remain in Service Mode and press back button at top of slide to proceed with further diagnostics or…. Press, “OFF” twice to exit the input test mode. Note: This test is for MAH5500, MAH6500. The MAH55FL does not have a signal button and will not pass the membrane switch pad check.

  12. Component Trouble shooting MAIN NEXT CONSUMER COMPLAINT TROUBLE SHOOTING LAST PREV Door Lock Service Mode: “DELICATES & HEAVY SOIL”, Displays “00” ( *Hidden & Heavy soil for Crosley) Press “RINSE”, Displays “ot” (Oh Tee, output test mode) Press “MAX EXTRACT”, control sends an lock pulse every second for 10 seconds. Press “MAX EXTRACT” again, control stops sending a lock pulse Press “Extra Rinse”, control sends an unlock pulse every second for 10 seconds Press “Extra Rinse” again, control stops sending an unlock pulse If fails to lock, open unit and check for loose electrical connections at the door lock and machine control. Check for proper outputs from the machine control board If other diagnosis needed, remain in Service Mode and press back button at top of slide to proceed with further diagnostics or…. Press, “OFF” twice to exit the output test mode.

  13. Component Trouble shooting MAIN NEXT CONSUMER COMPLAINT TROUBLE SHOOTING LAST PREV Pump Service Mode: “DELICATES & HEAVY SOIL”, Displays “00” (*Hidden & Heavy soil for Crosley) Press “RINSE”, Displays “ot” (Oh Tee, output test mode) Press, “PRESOAK”, pump will turn on to drain the tub, press again to toggle off once water is removed. If other diagnosis needed, remain in Service Mode and press back button at top of slide to proceed with further diagnostics or…. Press, “OFF” twice to exit the output test mode.

  14. Component Trouble shooting MAIN NEXT CONSUMER COMPLAINT TROUBLE SHOOTING LAST PREV Unbalance Circuit Service Mode: “DELICATES & HEAVY SOIL”, Displays “00” (*Hidden & Heavy soil for Crosley) Press “TEMP DOWN”, Displays xxxxx Press “DOWN ARROW” (below the cold/cold temperature) Displays “u0” (You Oh) for balanced or “uI” (You Eye) for unbalanced. If displays “uI” a Service Call is required. If other diagnosis needed, remain in Service Mode and press back button at top of slide to proceed with further diagnostics or…. Press, “OFF” twice to exit the input test mode.

  15. Component Trouble shooting MAIN NEXT CONSUMER COMPLAINT TROUBLE SHOOTING LAST PREV Motor / Controller • The removal of the front panel is required. • Unplug the wash machine • Remove front panel and pull the JP4 connector from the motor control board. • Reconnect the washer power cord to supply voltage. Make sure the door is closed. • Access Service Modeand Output test. • Lock the door by pressing “max extract”. • Press “Stain Cycle” to start the test. 120VAC is sent to the motor controller and the spinner should rotate at 50 RPM until the test is stopped. • For Crosley, Select “SPIN” and press “Start/Pause”; ignore steps 4, 5, 6 If motor does not Run If motor does Run

  16. Component Trouble shooting MAIN NEXT CONSUMER COMPLAINT TROUBLE SHOOTING LAST PREV Motor / Controller • Motor Does Not Run, turning the spinner • Check the voltage input at the motor control harness. • If there is power to the motor controller • Check all wire connections • Check resistance across phase windings of the motor at the motor harness cable shown in diagram below. • If phase windings are in specification,replace the motor controller • If there is no power to the motor controller • Check loose electrical connections at machine control board or broken wires in harness. • Check door actuator switch and related wiring. Motor Phase windings

  17. Component Trouble shooting MAIN NEXT CONSUMER COMPLAINT TROUBLE SHOOTING LAST PREV Motor / Controller • Motor Does Run, but either does not turn spinner at 50rpm or runs intermittently during regular wash cycle • Disconnect JP4 connector from Machine control and motor control and check resistance of Signal Common , Tach and Torque wires of the JP4 at the motor control and machine control. See Machine Schematic for wiring details. Replace harness if no continuity. • Check Diagnostic Codes. Look for 06,16,24,25 codes and respond according to recommendations on the specific diagnostic codes. • Still not operating properly, it is necessary to check signal at the following places during the quick service cycle test,: • Output of Signal Common at Machine Control, then compare to Input at Signal Common on Motor Control. Replace the component that does not have the signal. • Output of Torque PWM at Machine Control, then compare to Input at Torque PWM on Motor Control. Replace the component that does not have the signal. • Input of Tach on Machine Board to Output of Motor Control at Tach on Motor Control. • It is possible to check the signal with a Voltmeter that can measure frequency or peak voltage fast enough, although a Oscilloscope is better. After doing the above tests replace the component has does not receive the signal.

  18. Component Trouble shooting MAIN NEXT CONSUMER COMPLAINT TROUBLE SHOOTING LAST PREV Machine Control Board INPUT / OUTPUT for MAH5500 Refer to actual guide found in machine console for most accurate table/wiring diagram

  19. Component Trouble shooting MAIN NEXT CONSUMER COMPLAINT TROUBLE SHOOTING LAST PREV Machine Control Board INPUT / OUTPUT for MAH6500 Refer to actual guide found in machine console for most accurate table/wiring diagram

  20. Component Trouble shooting MAIN NEXT CONSUMER COMPLAINT TROUBLE SHOOTING LAST PREV Machine Control Board INPUT / OUTPUT for Crosley Refer to actual guide found in machine console for most accurate table/wiring diagram

  21. Component Trouble shooting MAIN NEXT CONSUMER COMPLAINT TROUBLE SHOOTING LAST PREV Machine Control Board INPUT / OUTPUT for MAH7500 Refer to actual guide found in machine console for most accurate table/wiring diagram Continue…

  22. Component Trouble shooting MAIN NEXT CONSUMER COMPLAINT TROUBLE SHOOTING LAST PREV Machine Control Board INPUT / OUTPUT for MAH7500 Refer to actual guide found in machine console for most accurate table/wiring diagram Continue…

  23. Component Trouble shooting MAIN NEXT CONSUMER COMPLAINT TROUBLE SHOOTING LAST PREV Electronic Control • There are a lot of problems that can be potentially traced to the electronic control board. However, correct diagnosis of the control board involves making sure of the following: • Check to ensure electrical connectors to Control Board are properly seated • Perform Board Output Test • Perform Board Input Test • Check Voltages on all pins as shown in Machine Control Board INPUT/OUTPUT chart. If no voltage present at Control Board, machine board needs to be replaced.

  24. Service Mode Tests MAIN NEXT CONSUMER COMPLAINT TROUBLE SHOOTING LAST PREV Quick Spin Test • Service Mode: “DELICATES & HEAVY SOIL”, Displays “00” (*Hidden & Heavy soil for Crosley) • Press “SPIN”, starts the Quick Spin Test • The following steps are as follows: • Lock the door • Spin to 350 rpm and hold for 6 seconds • Spin to 550 rpm and hold for 6 seconds • Spin to 600 rpm and hold for 6 seconds • Spin to 650 rpm and hold for 6 seconds • Spin to 800 rpm and hold for 6 seconds • If other diagnosis needed, remain in Service Mode and press back button at top of this slide to proceed with further diagnostics or…. • Press, “OFF” twice to exit the output test mode.

  25. Service Mode Tests MAIN NEXT CONSUMER COMPLAINT TROUBLE SHOOTING LAST PREV Quick Service Cycle Service Mode: “DELICATES & HEAVY SOIL”, Displays “00” (*Hidden & Heavy soil for Crosley) Press “DELICATES”, starts the Service Cycle. (*Hidden Key for Crosley) If other diagnosis needed, remain in Service Mode and press back button at top of this slide to proceed with further diagnostics or…. Press, “OFF” twice to exit the output test mode.

  26. Service Mode Tests MAIN NEXT CONSUMER COMPLAINT TROUBLE SHOOTING LAST PREV Fast Time Down Test Service Mode: “DELICATES & HEAVY SOIL”, Displays “00” (*Hidden & Heavy soil for Crosley) Press “Quick”, advances the program to the next wash cycle

  27. Service Mode Tests MAIN NEXT CONSUMER COMPLAINT TROUBLE SHOOTING LAST PREV Control Board Input test for MAH5500 Refer to actual guide found in machine console for most accurate table/wiring diagram Service Mode: “DELICATES & HEAVY SOIL”, Displays “00” Press “HAND WASH”, Displays “OU.” Continue…

  28. Service Mode Tests MAIN NEXT CONSUMER COMPLAINT TROUBLE SHOOTING LAST PREV Control Board Input test for MAH6500 Refer to actual guide found in machine console for most table/accurate wiring diagram Service Mode: “DELICATES & HEAVY SOIL”, Displays “00” Press “HAND WASH”, Displays “OU.” Continue…

  29. Service Mode Tests MAIN NEXT CONSUMER COMPLAINT TROUBLE SHOOTING LAST PREV Control Board Input test for Crosley Refer to actual guide found in machine console for most accurate table/wiring diagram Service Mode: “*Hidden & Heavy Soil” ,Displays “00” Press “HAND WASH”, Displays “OU.” Continue…

  30. Service Mode Tests MAIN NEXT CONSUMER COMPLAINT TROUBLE SHOOTING LAST PREV Control Board Output Test for MAH5500, MAH6500 Refer to actual guide found in machine console for most accurate table/wiring diagram Service Mode: “DELICATES & HEAVY SOIL”, Displays “00” (*Hidden & Heavy soil for Crosley) Press “RINSE”, Displays “ot.” While in Board Output Test, performing a Key Press will activate the item in the “Function Performed” column. Continue…

  31. Service Mode Tests MAIN NEXT CONSUMER COMPLAINT TROUBLE SHOOTING LAST PREV Control Board Output Test for Crosley Refer to actual guide found in machine console for most accurate table/wiring diagram Service Mode: “*Hidden & Heavy Soil” Press “RINSE”, Displays “ot.” While in Board Output Test, performing a Key Press will activate the item in the “Function Performed” column. Continue…

  32. What is a diagnostic code MAIN NEXT CONSUMER COMPLAINT TROUBLE SHOOTING LAST PREV A problem with a system that is detected and logged in the control board and it is recommended the machine be serviced. Unless it is otherwise noted, other cycles should be able to be started and the display would revert back to displaying time on another cycle start. Diagnostic Codes should be viewed before replacing any components to prevent additional “good”components being replaced. To view diagnostic codes Service Mode: “DELICATES & HEAVY SOIL”, (*Hidden & Heavy soil for Crosley) Displays “00” Press “Presoak”, Displays ‘d’. Use “arrow” to scroll up and down

  33. Diagnostic Codes Service Mode: “DELICATES & HEAVY SOIL”, Displays “00” Press “DOWN ARROW”, Displays ‘d’ MAIN NEXT CONSUMER COMPLAINT TROUBLE SHOOTING LAST PREV What is a diagnostic code? Continue…

  34. Diagnostic Codes MAIN NEXT CONSUMER COMPLAINT TROUBLE SHOOTING LAST PREV Continue…

  35. Diagnostic Codes MAIN NEXT CONSUMER COMPLAINT TROUBLE SHOOTING LAST PREV Additional Diagnostic Codes

  36. What is a help code MAIN NEXT CONSUMER COMPLAINT TROUBLE SHOOTING LAST PREV A system responded differently than expected. The severity level is generally less than that of a diagnostic code.Help codes are logged and stored in memory. They should be used to to understand minor problems the washerexperiences in a given cycle. To view help codes: Service Mode: “DELICATES & HEAVY SOIL”, (Cannot check for help codes in Crosley Models) Displays “00” Press “Stain Cycle”, Displays ‘h’. Use “arrow” to scroll up and down

  37. Help Codes MAIN NEXT CONSUMER COMPLAINT TROUBLE SHOOTING LAST PREV What is a help code? Continue…

  38. Help Codes MAIN NEXT CONSUMER COMPLAINT TROUBLE SHOOTING LAST PREV Continue…

  39. Help Codes MAIN NEXT CONSUMER COMPLAINT TROUBLE SHOOTING LAST PREV Continue…

  40. Help Codes MAIN NEXT CONSUMER COMPLAINT TROUBLE SHOOTING LAST PREV Continue…

  41. Help Codes MAIN NEXT CONSUMER COMPLAINT TROUBLE SHOOTING LAST PREV Continue…

  42. Help Codes MAIN NEXT CONSUMER COMPLAINT TROUBLE SHOOTING LAST PREV Continue…

  43. Help Codes MAIN NEXT CONSUMER COMPLAINT TROUBLE SHOOTING LAST PREV Continue…

  44. Help Codes MAIN NEXT CONSUMER COMPLAINT TROUBLE SHOOTING LAST PREV Additional Help Codes Continue…

  45. Additional Diagnostic and Help Codes MAIN NEXT CONSUMER COMPLAINT TROUBLE SHOOTING LAST PREV Click on embedded file to find additional codes

  46. Schematics MAH5500 & 55FL Schematic MAIN NEXT CONSUMER COMPLAINT TROUBLE SHOOTING LAST PREV Refer to actual guide found in machine console for most accurate table/wiring diagram

  47. Schematics MAH6500Schematic MAIN NEXT CONSUMER COMPLAINT TROUBLE SHOOTING LAST PREV Refer to actual guide found in machine console for most accurate table/wiring diagram

  48. Schematics MAH 7500 Schematic MAIN NEXT CONSUMER COMPLAINT TROUBLE SHOOTING LAST PREV Refer to actual guide found in machine console for most accurate table/wiring diagram

  49. Schematics CAH 4205 Schematic MAIN NEXT CONSUMER COMPLAINT TROUBLE SHOOTING LAST PREV Refer to actual guide found in machine console for most accurate table/wiring diagram

  50. Component Locator MAIN NEXT CONSUMER COMPLAINT TROUBLE SHOOTING LAST PREV

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