Frigidaire GLBM188HB, Руководство по обслуживанию

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GLBM188HB
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4) Disconnect the leads to the primary of the power transformer.
5) Ensure that these leads remain isolated from other components and oven chassis by using insulation tape.
6) After that procedure, re-connect the power supply cord.
1. Key Unit
1) Check Key unit connection before replacement.
2) Reconnect all leads removed from components during testing.
3) Re-install the covers (outer case cabinet and control unit cover).
4) Reconnect the power supply cord after the covers (outer case cabinet and control unit cover) are installed.
5) Run the oven and check all functions.
The following symptoms indicate a defective key unit.
a) When touching the pads, a certain pad produces no signal at all.
b) When touching a number pad, two figures or more are displayed.
c) When touching the pads, sometimes a pad produces no signal.
If the key unit is defective.
1) Disconnect the power supply cord and then remove outer case.
2) Open the door and block it open.
3) Discharge high voltage capacitor.
4) Remove the control unit cover.
5) Replace the key unit (FPC + key sheet).
6) Reconnect all leads removed from components during testing.
7) Re-install the covers (outer case cabinet and control unit cover).
8) Reconnect the power supply cord after the covers (outer case cabinet and control unit cover) are installed.
9) Run the oven and check all functions.
2. Control Unit.
The following symptoms indicate a defective control unit. Before replacing the control unit, perform the Key unit test (Procedu re M) to determine if
control unit is faulty.
1) In connection with indicators
a) At a certain digit, all or some segments do not light up.
b) At a certain digit, brightness is low.
c) Only one indicator does not light.
d) The corresponding segments of all digits do not light up; or they continue to light up.
e) Wrong figure appears.
f) A certain group of indicators do not light up.
g) The figure of all digits flicker.
2) Other possible problems caused by defective control unit.
a) Buzzer does not sound or continues to sound.
b) Clock does not operate properly.
c) Cooking is not possible.
3) Power Unit or Touch Control Transformer
a) Fan motor, stirrer motor, oven lamp or electrical parts do not turn on or do not turn off.
b) Digital display on the control unit does not show anything.
When testing is completed,
1) Disconnect the power supply cord, and then disassemble as per “HOOD LOUVER REMOVAL”, “REMOVAL OF OVEN FROM WALL” and
“OUTER CASE REMOVAL”.
2) Open the door and block it open.
3) Discharge high voltage capacitor.
4) Reconnect all leads removed from components during testing.
5) Re-install the covers (outer case cabinet and control unit cover).
6) Reconnect the power supply cord after the covers are installed.
7) Run the oven and check all functions.