2PMOR3021SPMOR3021BPMOR3021RPRECAUTIONS TO BE OBSERVED BEFORE ANDDURING SERVICING TO AVOID POSSIBLE EXPOSURETO EXCESSIVE MICROWAVE ENERGY(a) Do not operate or allow the oven to be operated with the door open.(b) Make the following safety checks on all ovens to be serviced before activating the magnetron or other microwavesource, and make repairs as necessary: (1) interlock operation, (2) proper door closing, (3) seal and sealingsurfaces (arcing, wear, and other damage), (4) damage to or loosening of hinges and latches, (5) evidence ofdropping or abuse.(c) Before turning on microwave power for any service test or inspection within the microwave generatingcompartments, check the magnetron, wave guide or transmission line, and cavity for proper alignment, integrity,and connections.(d) Any defective or misadjusted components in the interlock, monitor, door seal, and microwave generation andtransmission systems shall be repaired, replaced, or adjusted by procedures described in this manual before theoven is released to the owner.(e) A microwave leakage check to verify compliance with the Federal Performance Standard should be performedon each oven prior to release to the owner.BEFORE SERVICINGBefore servicing an operative unit, perform a microwave emission check as per the MicrowaveMeasurement Procedure outlined in this service manual.If microwave emissions level is in excess of the specified limit, contact DACOR immediately @1-800-793-0093.If the unit operates with the door open, service person should 1) tell the user not to operate the oven and2) contact DACOR and Food and Drug Administration's Center for Devices and Radiological Healthimmediately.Service personnel should inform DACOR of any certified unit found with emissions in excess of 4mW/cm 2.The owner of the unit should be instructed not to use the unit until the oven has been brought intocompliance.DANGER CAUTIONHIGH VOLTAGEDo not energize a microwave oven with the outer case cabinet removed, because a microwave ovengenerates High Voltage in the circuit.If you intend to operate the oven employing the high frequency switching power converter circuit, you shouldtake special precautions to avoid an electrical shock hazard.The high voltage transformer, high voltage capacitor and high voltage diode have energized high voltagepotential approx. 8 KV.The aluminium heat sink is connected to the switching power transistor Collector pole, and has an energizedhigh voltage potential approx. 650V peak.DO NOT ACCESS THE HIGH VOLTAGE TRANSFORMER, HIGH VOLTAGE CAPACITOR, HIGH VOLT-AGE DIODE AND HEAT SINK WHEN THE POWER SUPPLY IS CONNECTED TO AN ELECTRICALOUTLET.