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5-4 • Verify that the flue opening is not obstructed by debris or accumulations of solidified oil or shortening. • Verify that burners and associated components (i.e. gas valves, pilot assemblies, ignitors, etc.) are in good condition and functioning properly. Inspect all gas connections for leaks and verify that all connections are properly tightened. • Verify that the burner manifold pressure is in accordance with that specified on the appliance’s rating plate. • Verify that the temperature and high-limit probes are properly connected, tightened and functioning properly, and that probe guards are present and properly installed. • Verify that component box components (i.e. computer/controller, transformers, relays, interface boards, etc.) are in good condition and free from oil migration build-up and other debris. Inspect the component box wiring and verify that connections are tight and that wiring is in good condition. • Verify that all safety features (i.e. drain safety switches, reset switches, etc.) are present and functioning properly. • Verify that the frypot/cookpot is in good condition and free of leaks and that the frypot/cookpot insulation is in serviceable condition. • Verify that wiring harnesses and connections are tight and in good condition. Built-In Filtration System • Inspect all oil-return and drain lines for leaks and verify that all connections are tight. • Inspect the filter pan for leaks and cleanliness. If there is a large accumulation of crumbs in the crumb basket, advise the owner/operator that the crumb basket should be emptied into a fireproof container and cleaned daily. • Verify that all O-rings and seals (including those on the Power Shower and on quick-disconnect fittings) are present and in good condition. Replace o-rings and seals if worn or damaged. • Check filtration system integrity as follows: . With the filter pan empty, place each oil return handle, one at a time, in the ON position. Verify that the pump activates and that bubbles appear in the cooking oil/shortening (or that gurgling is heard from the Power Shower port) of the associated frypot.. . Close all oil return valves (i.e., place all oil return handles in the OFF position). Verify proper functioning of each oil return valve by activating the filter pump using the lever on one of the oil return handle microswitches. No air bubbles should be visible in any frypot (or no gurgling should be heard from the Power Shower ports). 5-5 . Verify that the filter pan is properly prepared for filtering, then drain a frypot of oil heated to 350°F (177°C) into the filter pan and close the frypot drain valve. Place the oil return handle in the ON position. Allow all cooking oil/shortening to return to the frypot (indicated by bubbles in the cooking oil/shortening or, on units with Power Showers, cessation of oil flow from the Power Shower). Return the oil return handle to the OFF position. The frypot should have refilled in no more than 2 minutes and 30 seconds. 5-6 47 SERIES GAS FRYERS CHAPTER 6: OPERATOR TROUBLESHOOTING 6.1 Introduction This chapter provides an easy reference guide to some of the common problems that may occur during the operation of your equipment. The troubleshooting guides that follow are intended to help you correct, or at least accurately diagnose, problems with your equipment. Although the chapter covers the most common problems reported, you may encounter problems that are not covered. In such instances, the Frymaster Technical Services staff will make every effort to help you identify and resolve the problem. When troubleshooting a problem, always use a process of elimination starting with the simplest solution and working through to the most complex. Most importantly, always try to establish a clear idea of why a problem has occurred. Part of your corrective action involves taking steps to ensure that it doesn’t happen again. If a controller malfunctions because of a poor connection, check all other connections while you’re at it. If a fuse continues to blow, find out why. Always keep in mind that failure of a small component may often be indicative of potential failure or incorrect functioning of a more important component or system. Some of the troubleshooting actions recommended in this chapter involve removing suspect components and substituting components that are known to be good. Whenever this in indicated, refer to Sections 6.7 for specific instructions If you are in doubt as to the proper action to take, do not hesitate to call the Frymaster Technical Service Department or your local Frymaster Factory Authorized Service Center for assistance. Before calling a servicer or the Frymaster HOTLINE (1-800-551-8633): • Verify that electrical cords are plugged in and that circuit breakers are on. • Verify that gas line quick-disconnects are properly connected. • Verify that any gas line cutoff valves are open. • Verify that frypot drain valves are fully closed. DANGER Hot cooking oil/shortening ...