User Manual for COVE models including: DW2450, DW2450WS, DW2450 24 Inch Dishwasher Panel Ready, 24 Inch Dishwasher Panel Ready, Dishwasher Panel Ready, Panel Ready
Use the User Setup menu's "Reset All" function. TIP: It is also possible to clear all error codes by clearing the error log table in the Connected. Diagnostics ...
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DocumentDocumentDW2450 and DW2450WS Service Manual Error Codes and Troubleshooting service.subzero.com 800.222.7820 Error Codes and Troubleshooting SERVICE MODE Service mode allows a technician to review various user settings/offsets, manually activate and deactivate components, and monitor the unit's performance including logged errors. In Service mode: · Bluetooth pairing PIN messaging, Wi-Fi control via the Sub-Zero Group Owner's App, error detection and management, and diverter valve movement are allowed. · Pressure-based drain pump control is active. · Standby Power mode, Smart Grid requests, wash cycles, or monitoring of any analog I/O are not allowed. · When the sump fills, it always fills to the volume of "Main Wash #1" in the NORMAL wash cycle. Service mode may be activated from the UIM panel, or via the RS-485 connection using the Connected Diagnostics program. Service mode exits after 5 minutes with no input. ENTER SERVICE MODE 1 Touch and hold Auto and Heavy for 5 seconds or more. 2 Release Heavy, and continue to hold Auto for 5 seconds. "Service Mode:" appears on the UIM. SERVICE MODE FUNCTIONS Service mode allows two main functions: · Use the Cancel key to scroll through the error codes. · Manually turn on and turn off components and systems to confirm operation. Pressing a UIM key turns on the corresponding component or system; pressing the key again turns it off. Only one component or system can be turned on at a time. UIM KEY FUNCTIONS IN SERVICE MODE UIM KEY CONTROL DISPLAY Auto Toggles drain pump ON/OFF MOT4 (Drain pump (up to 50 secs. max. ON time). motor) Normal Toggles water inlet valve ON/ SOL1 (Water inlet OFF. valve) Heavy Toggles wash pump ON/OFF. MOT1 (Wash pump motor) Quick Toggles heater ON/OFF (up to HTR1 (Tub heating 70º C). element) Cycles+ Sets diverter valve position (at MOT2 (Diverter valve each key press, diverter valve motor), SV = changes its position). The door requested position, must be shut for 15-45 seconds PV = current position to show a position change on (0 = Home, 1 = the UIM. Middle/Upper, 2 = All, 3 = Lower) Options Toggles drying fan ON/OFF. MOT3 (Drying fan motor) Enter Toggles water softener regeneration valve ON/OFF (if applicable). SOL2 (Water softener regeneration valve) Cancel · Toggles through any and all Error log table stored error codes. · Also, touch and hold to exit Service mode. Start Toggles dispenser coil ON/OFF SOL3 (Dispenser (300 ms ON, then OFF is the coil) only action). 828019 REV B 08/2023 77 DW2450 and DW2450WS Service Manual Error Codes and Troubleshooting service.subzero.com 800.222.7820 FAULT-LEVEL ERROR CODES Fault-level errors involve safety concerns, or indicate that the dishwasher is inoperable. Only repairing the actual fault will cancel a fault-level error. It will continue to appear in the unit's error code list until the fault is repaired. When a fault-level error occurs: · Any active functions, such as active wash cycles or UIM navigation, are exited. · No user control of the unit is allowed, either by the UIM interaction or by the Sub-Zero Group Owner's App. · There may be an indication that a service call is required via a UIM message and tone or in the SubZero Group Owner's App. WARNING-LEVEL ERROR CODES Warning-level errors are not safety-related or catastrophic. They indicate that improper functionality of the unit may occur, such as poor wash performance. A warning-level error can be canceled in Service mode, but the error may reappear if the condition that caused the error still exists. When a warning-level error occurs: · The unit stays operable by the user, either by direct UIM interaction or by the Sub-Zero Group Owner's App. · An indication of the error may appear on the UIM when the door is open. CLEAR ALL ERROR CODES 1 From the UIM, exit Service mode (touch and hold the Cancel key). 2 Use the User Setup menu's "Reset All" function. TIP: It is also possible to clear all error codes by clearing the error log table in the Connected Diagnostics Program. CLEAR INDIVIDUAL ERROR CODES From the UIM: 1 Enter Service mode. 2 Touch the Cancel key to scroll through any error codes. · Warning-level error codes will be cleared upon each touch. · Fault-level error codes need to be repaired first. · Some error codes automatically clear when they are repaired. · Some error codes require cycling power to the unit. · Some error codes require using "Reset All" in the User Options menu. 828019 REV B 08/2023 78