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General| Brand | STERO |
|---|---|
| Model | SG |
| Category | Dishwasher |
| Language | English |
This manual is applicable to the models on the cover page.
The SU and SG Series dishwashers are fully automatic, front-loading dishwashing machines.
Standard and metric sets of hand tools are required for servicing.
Details incoming voltage requirements and ratings for different models.
Provides technical specifications including pump motor and water supply requirements.
Covers installation, power-up, priming, and operational cycles like fill, wash, and rinse.
Describes the control board's self-check upon powering up the machine.
Explains the process for priming chemical pumps on power-up or cycle start.
Details the fill and preheat stage of the dishwashing cycle.
Describes the machine's idle state where heat is maintained.
Outlines the steps for initiating and executing a wash cycle.
Describes the rinse phase of the dishwashing cycle.
Explains how to initiate a drain cycle and power down the unit.
Details the three programming menus and their access codes for settings.
Procedure for placing the control panel in a service-friendly position.
Instructions for removing and installing the left and right trim panels.
Steps for correctly installing the left and right trim panels.
Procedure for removing and replacing the switch membrane.
Instructions for removing and replacing the control panel cover.
Guide for removing and replacing water level sensors.
Instructions for removing and replacing the WELCO chemical pumps.
Procedure for removing and replacing the drain pump.
Steps for removing and replacing the 1SOL fill valve.
Procedure for removing and replacing the rinse pump.
Steps for removing and replacing the rinse pump assembly.
Instructions for removing and replacing the 2QTM rinse probe.
Procedure for removing and installing the wash pipe assembly.
Instructions for removing and replacing the wash pump/motor assembly.
Procedure for removing and replacing the booster heater on SU-H models.
Guide for replacing booster thermistor and high limit protection on SU-H models.
Instructions for replacing sump thermistor and high limit protection.
Procedure for removing and replacing the air gap component.
Steps for removing and replacing the door switch.
Guide for programming a replacement control board for different models.
Details the service programming menu and its options.
Table listing adjustable parameters, their descriptions, and possible values.
Explains how to view and interpret error codes displayed by the machine.
Displays hours of operation for various machine components.
Enables viewing real-time sensor values for troubleshooting.
Procedure for manually priming sanitizer, detergent, and rinse aid pumps.
Shuts down the dishwasher immediately, saving fill/drain time during servicing.
Displays the machine type and software revision number.
Resets all adjustable parameters to their factory default settings.
Exits the current programming menu.
Manual priming procedure for chemical pumps.
Exits the Edit Parameters menu and returns to the Soap Menu.
Manual priming procedure for sanitizer, detergent, and rinse aid pumps.
Exits the Prime Pumps menu and returns to the Soap Menu.
How to bypass wash and heat cycles for faster troubleshooting.
Procedure for testing booster and sump thermistors using a resistance chart.
Instructions for purging the booster or holding tank for service.
Procedure for adjusting the door to ensure proper closure and alignment.
Procedure for testing the sump heater element's voltage, current, and resistance.
Procedure for testing the booster heater element's voltage, current, and resistance.
Steps for testing the heating element's resistance.
Steps for testing the booster heating element's resistance.
Procedure for testing the rinse probe thermistor using a resistance chart.
Table listing parameters for detergent, rinse aid, and sanitizer settings.
Manual priming procedure for chemical pumps.
Exits the Edit Parameters menu and returns to the Soap Menu.
Table listing parameters for detergent and rinse aid pump operations.
Table listing parameters for low temp alarms, chemical alerts, and temperature units.
Manual priming procedure for sanitizer, detergent, and rinse aid pumps.
Exits the Prime Pumps menu and returns to the Soap Menu.
Procedure for testing bleach concentration using litmus paper.
How to bypass wash and heat cycles for faster troubleshooting.
Procedure for testing booster and sump thermistors using a resistance chart.
Instructions for purging the booster or holding tank for service.
Procedure for adjusting the door to ensure proper closure and alignment.
Procedure for testing the sump heater element's voltage, current, and resistance.
Procedure for testing the booster heater element's voltage, current, and resistance.
Steps for testing the heating element's resistance.
Steps for testing the booster heating element's resistance.
Procedure for testing the rinse probe thermistor using a resistance chart.
Describes the function of various electrical components in the dishwasher.
Diagram showing the physical layout of electrical components.
Lists control board LEDs, their functions, and colors.
Identifies test points on the control board and their associated signals.
Details test points on the control board for different voltage configurations.
Diagram and table showing control board jumpers and their functions.
Identifies wire connections on the control board and their corresponding components.
Details LEDs and test points on the power supply board.
Specifies electrical supply requirements for SU-L and SG models.
Defines electrical symbols used in the wiring diagrams.
Specifies electrical supply requirements for SU-H models.
Defines electrical symbols used in the wiring diagrams.
Lists conditions required before starting the SU-L & SG sequence.
Describes the power-up diagnostic checks for SU-L & SG models.
Details the steps in the Fill/Preheat cycle for SU-L & SG models.
Describes the wash and drain cycle steps for SU-L 120/60/1 models.
Lists conditions required before starting the SU-H sequence.
Describes the power-up diagnostic checks for SU-H models.
Details the steps in the Fill/Preheat cycle for SU-H models.
Describes the wash and drain cycle steps for SU-H models.
Details the steps in the rinse cycle.
Outlines the steps for powering down the dishwasher.
Table showing cycle timing for SU-L and SU-H models.
Table showing cycle timing for SG models.
Tool for monitoring real-time sensor values and diagnosing issues.
Explains how error codes are displayed and the need for troubleshooting.
Table listing error codes, their display messages, and descriptions.
Possible causes and solutions when dishes are not clean.
Possible causes and solutions for spotting on glassware.
Possible causes and solutions for food soils remaining in the dishwasher.
Possible causes for various unexpected results on dishes.
Troubleshooting steps for when the machine has no display.
Troubleshooting steps for when the machine has a display but won't operate.
Possible causes for low temperature readings during operation.
Troubleshooting steps for when the booster heater is not heating on SU-H models.
Troubleshooting steps for when the sump heater is not heating.
Troubleshooting steps for when the wash motor does not start.
Troubleshooting steps for when the machine fails to fill or fills insufficiently.
Troubleshooting steps for when the machine fills with too much water.
Troubleshooting steps for when the machine fails to stop when the door is opened.
Troubleshooting steps for leaks originating from the door.
Troubleshooting steps for when the door does not stay closed during washing.
Troubleshooting steps for when the machine fails to drain.
Explanation for occasional dripping from rinse arms.
Troubleshooting steps for slow or failed filling of booster/holding tank.
Troubleshooting steps for when chemical pumps are not feeding.
Possible causes and solutions for a noisy wash arm.
Lists models covered in this parts catalog.
Diagram and parts list for the SG base assembly.
Diagram and parts list for the SU-H and SU-L base assembly.
Diagram and parts list for the SG door assembly.
Diagram and parts list for the SU-H and SU-L door assembly.
Diagram and parts list for control panel and associated boards.
Diagram and parts list for wash and rinse arm assemblies.
Diagram and parts list for the wash pipe assembly.
Diagram and parts list for the wash pump and drain components.
Diagram and parts list for the rinse pump assembly.
Diagram and parts list for chemical pumps and sensors.
Diagram and parts list for the hot booster assembly on SU-H models.
Diagram and parts list for the cold recovery tank assembly.
Diagram and parts list for the fill air gap on SU-H and SU-L models.
Diagram and parts list for the fill air gap on SG models.
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