S E R V I C E
11.11.1998 / Page 4
AVM 512
Whirlpool Europe
Doc. No: 4812 714 12457
8538 512 62291
Customer Service
Text/Legend
INSTALLATION REQUIREMENTS
GENERAL
The oven should be placed on a flat and stable surface
Place the oven away from high temperature and steam sources.
Clearance of at least 5cm (2”) on each side must be provided to allow adequate ventilation.
The microwave oven must be plugged directly to a 3-prong wall receptacle which is properly grounded.
The power source must be 220V 50Hz 8A single phase.
GROUNDING INSTRUCTIONS
IMPORTANT:
DISCONNECT POWER BEFORE SERVICING, RECONNECT ALL GROUNDING DEVICES.
All mechanical parts of this appliance capable of conducting electricity are grounded. In the event of an
electrical short circuit, grounding reduces the risk of electric shock. This appliance is equipped with a cord
having a grounding wire with a ground plug. The plug must be plugged into an outlet that is properly installed
and grounded.
WARNING:
IMPROPER USE OF THE GROUNDING PLUG MAY RESULT IN ELECTRICAL SHOCK.
If grounding wires, screws, straps, clips, nuts or washers used to complete a path to ground are removed for
service, they must be returned to their original positions and properly fastened.
GROUNDING SPECIFICATION:
Leakage current:
0.5 mA max.
Ground path resistance:
0.1 ohm max.
OPERATIONAL DESCRIPTION
The following describe the basic operation of the appliance. Please refer to the schematic diagram when
reading:
Food is placed inside the oven and the door is closed. “Start” button is not pressed:
Primary and secondary interlock switches are closed. Monitor switch is open. Door switch is closed. Relay 1
and relay 2 are both open.
When the timer is set for a certain cooking time, cook power is set and the “Start” button pressed:
Relay 1 is closed. AC power is supplied to the cavity lamp, fan motor and turntable motor. Depending on the
power level setting, AC power is supplied to the HV transformer through relay 2 with the duty cycle
corresponding to the power level setting. The display timer will start to count down.
When the timer counts to Zero:
Relay 1 and relay 2 will be and all AC power to the motor, lamp and HV transformer will be cut. The control
board buzzer will give a “beep” sound to give an OFF signal.
When the door is open during cooking:
Primary and secondary interlock switch are opened. Door switch is opened. The monitor switch is closed. All
AC power will be cut.
Pure microwave cooking:
10 power level settings are available for pure microwave cooking. This can be adjusted using the power switch
on the touch foil. Power level control is achieved by switching the magnetron ON and OFF periodically. The
oven works on 15 second cycle and the following indicate the correct ON/OFF timing.
