Panasonic NN-S252BF APH, Service Manual

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DANGER HIGH VOLTAGE
Test if failure codes of H97 or H98 appears by doing the following procedure. It is recommended to
use an AC line input current Ampere meter for testing.
Test1
1. Program DPC.
A. Tap Clock
B. Tap Timer
C. Tap Start
D. Tap Power Level
2. Place 1 liter of water load into oven cavity.
3. Unplug 2 pin H.V. lead wire connector CN703 from magnetron tube.
4. Program oven at High power for 1 minute and press start.
A. After approximately 23 seconds, oven stops.
B. During oven operation, input current is approximately 0.5 to 1A. If
both a and b are OK, please proceed to test 2.
INPUT AMPERE FAILURE CODE
Unplug CN703 0.5 to 1A Oven stops in
23 seconds
after started.
Test2
Continued from Test 1
1. Unplug 3 pin connector CN701, CN703 remains unplug.
2. Set oven at High power for 1 minute and start.
A. After approximately 3 seconds, oven stops.
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