Whirlpool GBS277PDB Technical Manual

Also see for GBS277PDB: Use and care guide Installation instructions Dimension Guide

Contents

6-1DIAGNOSIS & TROUBLESHOOTINGDIAGNOSTICSBefore servicing, perform the following checks:• The most common cause for control failure iscorrosion on connectors. Therefore, discon-necting and reconnecting wires will be nec-essary throughout test procedures.• All tests/checks should be made with a VOMor DVM having a sensitivity of 20,000 ohms-per-volt DC, or greater.• Check all connections before replacing com-ponents, looking for broken or loose wires,failed terminals, or wires not pressed intoconnectors far enough.• Voltage checks must be made with all con-nectors attached to the boards.• Resistance checks must be made with powercord unplugged from outlet, and with wiringharness or connectors disconnected.• Is the oven in the “Sabbath Mode”? If so,“SAB” will appear in the display. Press andhold the 6 touchpad for 5 seconds to end theSabbath Mode.• To check for the last five Fault codes: Pressand hold the 0 touchpad to access the previ-ous codes. Numeric touchpads 0 - 4 indicatefaults 1 - 5 respectively, with “0” being themost recent code.FAHRENHEIT (°F) TO CELSIUS (°C)CONVERSIONThe default is Fahrenheit (° F).1. Press the BROIL pad for 5 seconds. Thetemperature will be displayed in degreesCelsius indicated by the “C” in the tempera-ture display.2. To return the display to degrees Fahrenheitpress the BROIL pad again for 5 seconds.“F” will show in the temperature display.PROGRAMMING THE CAVITY SIZEWhen replacing the electronic control, be sureto program the cavity size within 60 seconds ofpower up by pressing the following touchpads:BAKE (upper half of BAKE touchpad),CONVECTION BROIL (lower half of BROILtouchpad.STOP TIME, CONV FULL MEAL, digit #7,digit #9, TIMER SET/START, & START.1. The size is shown in the display “-ID 24”.2. Press the CLOCK SET/START touchpaduntil the correct size is displayed.3. Press the CANCEL touchpad (do not pressthe OVEN START touchpad).4. To verify programming, press and hold the1 touchpad for 5 seconds.ELECTROSTATIC DISCHARGE(ESD) SENSITIVE ELECTRONICSESD problems are present everywhere. ESDmay damage or weaken the electronic controlassembly. The new control assembly may ap-pear to work well after repair is finished, butfailure may occur at a later date due to ESDstress.• Use an anti-static wrist strap. Connect wriststrap to green ground connection point orunpainted metal in the appliance-OR-Touch your finger repeatedly to a greenground connection point or unpainted metalin the appliance.• Before removing the part from it’s package,touch the anti-static bag to a green groundconnection point or unpainted metal in theappliance.• Avoid touching electronic parts or terminalcontacts; handle electronic control assem-bly by edges only.• When repackaging failed electronic controlassembly in anti-static bag, observe aboveinstructions.