Amana Commercial Service Manual download pdf (Page 20)

Component Testing Procedures

WARNING

To avoid risk of electrical shock, personal injury, or death, disconnect power to oven and discharge capacitor

before servicing, unless testing requires it.

RS2240002 Rev. 120

Illustration Component Testing Results

Type 3

HDC10, HDC12

Pin #1

A B C J F K

Controller board

P1 connector used

for touch panel

ribbon

All Models

Line voltage to control board

P2 connector

Pin 1 — Pin 3.......................................

Output drive voltage to triac

Triac terminals .......................................

Gate — T1 ...........................................

120 VAC

Fan relay (controls blower motor, antenna

motor(s), and oven light)

Control board .........................................

Terminals C — J ..................................

Cook relay

Control board .........................................

Terminals F — K..................................

Line voltage (All Condition)

0 VAC (Idle and Standby)

0.9 VAC (Cook)

Line voltage (Idle)

0 VAC (Standby and Cook)

Line voltage (Idle)

0 volts (Standby and Cook)

Touch Panel

Assembly

Continuity is indicated as 100

Ω

and below.

Pin 1: is considered Ground

Pad

Start

Stop/Reset

Power Level

X 2

Time Entry

8 & 10

7 & 10

6 & 10

5 & 10

4 & 10

3 & 10

8 & 9

7 & 9

6 & 9

5 & 9

4 & 9

4 & 8

5 & 8

6 & 8

7 & 8

Measurement

Continuity

Conditions

Initial Power Up Condition:

Apply power to oven with door closed—see, “Troubleshooting” section.

Idle Condition:

Oven plugged in, display blank (no other components operating).

Standby Condition:

Open oven door, light and motors operate—see, “Troubleshooting” section.

Cook Condition:

Food load in oven, cook cycle initiated—see, “Troubleshooting” section.

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Amana Commercial Service Manual Page 20

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