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Facilidade de uso
8. OPERATION CHECK - Switch on the appliance in accordance with the following section "Instructions for use". - With the aid of the Instruction Booklet, explain operation, routine maintenance, and cleaning to the user. Important: - Exercise due care since certain areas of the oven exterior become hot during use. - Do not cover the exhaust outlets on top of the appliance. 9. SERVICING All components requiring routine maintenance may be easily reached by opening the control panel, removing the left side panel, or removing the rear panel. Danger: Live voltage is present with panels removed and unit switch on. Exercise extreme caution when work with live voltage. NOTICE: Using any parts other than OEM original spare parts relieves the manufacturer of all warranty and liability. 10. TROUBLESHOOTING Malfunctions may occur even when the appliance is used correctly. Burner fails to light (message "burn" appears on display TM , see "Instructions for use" chapter 5). Possible causes: - The ignition electrode is incorrectly positioned or the insulation is damaged. The optimum distance from the outside of the electrode to the boiler burner is approximately 5 mm(8mm Mod. 20 GN1/1), while the equivalent distance for the convector burner is approximately 4.5 mm. - The ignition / flame control device is damaged. - The ignition electrode high tension lead is broken or shorting to ground. - Insufficient gas pressure. - Faulty gas valve. - Burner fan unit damaged, insufficient air pressure in combustion chamber. - Electronic control panel is damaged. - Blown fuse, check electrical diagram. - Oven chamber temperature probe damaged (error EPt1 - see "Instructions for use" chapter 5). - Temperature limiter trip. - High room air humidity (condensation): ventilate the kitchen. Burner flame extinguishes (message "burn" appears on display TM, see "Instructions for use" chapter 5). Possible causes: - Power supply polarity (Phase/Neutral) inverted. - Electrical supply to oven is "Phase/Phase" type. In this case fit the special "Transformer Kit" available from the manufacturer on request. - Faulty gas valve. - Flame detector electrode incorrectly positioned or in open circuit. - Burner fan unit damaged (lockout situation). - Flame control device damaged - High room air humidity (condensation): ventilate the kitchen. Oven chamber temperature thermostat control is incorrect. Possible causes: - Electronic control panel faulty. - Oven chamber temperature probe is dirty, faulty, or interrupted, see error EPt1 (see "Instructions for use" chapter 5). Oven fails to turn on. Possible causes: - Electronic control panel is damaged. - Fuse F2 blown due to damaged control circuit components. Oven chamber lamps damaged CAUTION: Before changing oven chamber lamps switch off the appliance. 11. LAYOUT OF MAIN COMPONENTS (All work inside the appliance must be carried out exclusively by a trained installer authorised by the manufacturer) Removing the control panel provides access to the following components: Danger: Live voltage is present with panels removed and unit switch on. Exercise extreme caution when work with live voltage. - Electronic circuit boards - Oven chamber temperature limit thermostat - Fuses - Door microswitch - Oven chamber lamp transformer - Geared motor for the oven chamber pressure relief butterfly valve. WARNING: Before servicing unit switch off power at the main circuit breaker and place a red tag on the breaker to indicate work is being done on the circuit. Remove the appliance left hand side panel to gain access to all the other components. 19 USA 5938 036 01 Before switching on the appliance, read this instruction booklet carefully because it contains important information concerning correct use of the appliance. If you require further information about the oven's features and cooking performance, consult your local dealer. ANY POTENTIAL USER OF THE EQUIPMENT SHOULD BE TRAINED IN SAFE AND CORRECT OPERATING PROCEDURES. • This appliance is intended for industrial use only and is specifically designed to cook food. Any other use will be considered "improper use" and will void the warranty and manufacturer liability. • Do not place pans or utensils on top of the oven. Avoid obstructing the fumes and steam exhaust outlets. • Periodically the appliance should undergo a general inspection. For this purpose we recommend taking out a service contract. • The core temperature probe is a precision instrument and must be handled with care. Avoid knocks, do not apply excessive force when inserting the probe, and do not pull on the lead (take care particularly when using roll-in racks). The warranty e does not cover damage to the temperature probe caused by improper use. • When using the mixed cooking cycle, do not exceed cooking temperatures of 392-410°F. Higher temperatures might impair the performance of the oven chamber seals. • When placing food in the oven leave a gap of at least 1.5"(40 mm) between each pan to facilitate circulation o...
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