Lang GCCO-C Installation Operation & Maintenance

Also see for GCCO-C: Quick programming guide Service manual

Contents

Lang GCCO-C Installation Operation & Maintenance Manual pdf 10 page image

7Press the flashing Shelf Button to turn Off thebeeper.To erase a Manual Program press and hold theREAD/CLEAR Button until the Status Screendisplays "88888" then release.TEMPERATURE RECALLBUTTONWhen pressed, the TEMP Button will display, inthe Status Screen, the actual oven temperature.READ/CLEAR BUTTONThe READ/CLEAR Button will change theoven from a running program to "EntEr",allowing the operator to select a product which isprogrammed at a different temperature.To change from any Status Screen display to"EntEr" push and hold the READ/CLEARButton until "88888" appears in the StatusScreen then release the button. The StatusScreen will display "EntEr" and the control isready to accept a new operator command.The READ/CLEAR Button can also be used to"read" an existing program.To read an existing program, press theREAD/CLEAR Button twice and then press theProduct Button to be read.The Status Screen will scroll through the productprogram parameters (temperature, time etc.).Always start the "read" sequence with the StatusScreen displaying "EntEr".MANUAL BACK-UPShould the computer control system develop afault causing it not to function the Manual Back-up Switch, when energized, will bypass thecomputer and change the oven control to amechanical thermostat. This will allow the ovento continue operating until service can beperformed on the computer.The Manual Back-up can also be used until thecomputer is programmed.The switch for the Manual Back-up is locatedbehind the louvered door, below the controlpanel.When the Back-up switch in the On (up)position the oven temperature is controlled by amechanical thermostat located next to the switch.Rotate the thermostat knob clockwise until thedesired temperature appears at the top of theknob.When in the Manual Back-up mode, thecomputer will turn completely off and will nottime any products.If service is required on the Lang computer, referto the Lang Authorized Service AgencyDirectory for the nearest repair agency.