Testing Procedures
!WARNING
To avoid risk of electrical shock, personal injury or death; disconnect power to oven before servicing, unless testing requires power.
Component Testing
Illustration | Component | Test Procedure |
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| Oven light socket | Remove one wire from receptacle and |
| Indicates continuity with bulb screwed in. | ||
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| test resistance of terminals |
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| ..............Measure voltage at oven light |
| 120 VAC, see wiring diagram for terminal | ||
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| identification. |
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| If no voltage is present at oven light, | ||
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| check wiring or light switches. | ||
Coil elements | Remove element and measure |
| Continuity, if not replace. | ||||||||||||||||
| resistance across terminals |
| 37 to 45 Ω Approximately | ||||||||||||||||
(Model MER6555AA*) |
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| 23 to 27 Ω Approximately | |||||||||||||||
1200 W | Ribbon elements | Remove element and measure |
| Continuity. If not, replace. | |||||||||||||||
2500 W |
| resistance across terminals |
| 1200W: 45 to 49 Ω Approximately | |||||||||||||||
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| 2500W: 20 to 24 Ω Approximately | ||
2400 W/1100 W (Dual) | Ribbon elements | Remove element and measure |
| Continuity. If not, replace. | |||||||||||||||
2700 W/1700 W (Dual) |
| resistance across terminals |
| 1100W: 40 to 46 Ω Approximately (Inner) | |||||||||||||||
(Models MER6775AA*, |
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| 1300W: | 47 to 54 Ω Approximately (Outer) | ||||||||||||||
MER6875AA*) |
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| 1700W: 30 to 36 Ω Approximately (Inner) | ||||||||||||||||
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| 1000W: 53 to 59 Ω Approximately (Outer) | ||
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2700 W (Single) | Ribbon elements | Remove element and measure |
| Continuity. If not, replace. | |||||||||||||||
(Model MER6755AA*) |
| resistance across terminals |
| 2700W: 19 to 23 Ω Approximately | |||||||||||||||
100 W (Warmer) | Ribbon elements | Remove element and measure |
| Continuity. If not, replace. | |||||||||||||||
(Models MER6775AA*, |
| resistance across terminals |
| 100W: 132 to 146 Ω Approximately | |||||||||||||||
MER6875AA*) |
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| 5 L1 3 | Snap Action Infinite | Connect |
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| switch | H1 and H2. |
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| Time On | Time Off | |||||||
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| Measure the following for voltages at |
| LO | 5% | 95% |
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| MED | 65% | ||||||||||
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| LO, MED, HI: |
| HI | 100% | 0% | |||||||||
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| H1 |
| H1 to H2 |
| 240 VAC, if not replace switch. | ||||||||||
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| Bake element, Upper | Disconnect wire leads to element and |
| Approximately 31.0 Ω, if not replace. | ||
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| measure resistance of terminals |
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| Measure voltage at bake element |
| 240 VAC, see wiring diagram for terminal | ||
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| identification. If no voltage is present at | ||
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| bake element check wiring. | ||
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| Bake element, Lower | Disconnect wire leads to element and |
| Approximately 21.3 Ω, if not replace. | ||
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| measure resistance of terminals |
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| Measure voltage at bake element |
| 240 VAC, see wiring diagram for terminal | ||
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| identification. If no voltage is present at | ||
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| bake element check wiring. | ||
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| Broil element, Upper | Disconnect wire leads to element and |
| Approximately 25.4 Ω, if not replace. | ||
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| measure resistance of terminals |
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| Measure voltage at broil element |
| 240 VAC, see wiring diagram for terminal | ||
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| identification. If no voltage is present at | ||
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| broil element check wiring. | ||
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| Broil element, Lower | Disconnect wire leads to element and |
| Approximately 18.6 Ω, if not replace. | ||
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| measure resistance of terminals |
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| Measure voltage at broil element |
| 240 VAC, see wiring diagram for terminal | ||
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| identification. If no voltage is present at | ||
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| broil element check wiring. |
©2004 Maytag Services | 16023416 | 15 |