MDE/MDG7500, MDE/MDG9800
cycle count
xxxx
| Code | Description | Trigger | Action Taken |
8 | Stuck Key | A key is | Run membrane pad | |
|
|
| sensed to be | check and replace |
|
|
| pressed | console w/membrane |
|
|
| more than | pad if necessary. |
|
|
| 75 seconds, |
|
|
|
| the key shall |
|
|
|
| be assumed |
|
|
|
| to be stuck. |
|
exit diagnostic/ |
| clear |
help codes |
| help codes |
Diagnostic Codes
| Code | Description | Trigger | Action Taken | |
1 | Dryer Thermistor | The | Check for: | ||
|
| Short Sensed | thermistor | - | Clogged lint |
|
|
| resistance is |
| screen. |
|
|
| very low, | - | Restricted |
|
|
| with a |
| vent system. |
|
|
| temperature | Failed thermistor. | |
|
|
| > 175 |
|
|
|
|
| degrees. |
|
|
2 | Thermistor Open | The | Check for: | ||
|
| Sensed | thermistor | - | Low ambient |
|
|
| resistance is |
| temperature in |
|
|
| very high |
| room (Below |
|
|
|
| - | 50oF/10oC). |
|
|
|
| Outside vent | |
|
|
|
|
| damper is stuck |
|
|
|
|
| open in |
|
|
|
|
| wintertime. |
|
|
|
| Loose or open wire | |
|
|
|
|
| terminals |
3 | Door Circuit | Invalid state | Check for: | ||
|
| Failure | for more | - Loose or open wire | |
|
|
| than 256 | terminals in Door | |
|
|
| milliseconds | Sense circuit. | |
4 | Possible motor | If either | Check for: | ||
|
| transistor error | motor | - | Loose |
|
|
| transistor is |
| connections in |
|
|
| seen open or |
| motor circuit. |
|
|
| shorted | - | Run System |
|
|
| during |
| Check Mode |
|
|
| startup |
| and check the |
|
|
|
|
| motor relay |
|
|
|
| - | function. |
|
|
|
| If relay | |
|
|
|
|
| functions, |
|
|
|
|
| disregard the |
|
|
|
|
| diagnostic |
|
|
|
|
| code. |
|
|
|
| If relay does not | |
|
|
|
| function, replace | |
|
|
|
| machine control | |
|
|
|
|
| board. |
5 | Not Used |
|
|
| |
6 | Non Volatile | Problem |
| Disregard | |
|
| Memory | Detected |
|
|
|
|
| with integrity |
|
|
|
|
| of |
|
|
|
|
| parameters |
|
|
|
|
| stored in |
|
|
|
|
| EEPROM |
|
|
|
|
| memory. |
|
|
Membrane Pad Continuity Checks
Note: Unplug connector and touch probe of meter to the appropriate pin numbers. Meter will show infinity on open keys and continuity on closed keys.
Membrane | Pin Number | Pin Number |
Pad |
|
|
Home | J7(3) | J7(5) |
Favorites | J7(4) | J7(5) |
Back | J7(3) | J7(6) |
Start/Pause | J7(4) | J7(7) |
Off | J7(3) | J7(7) |
Help | J7(4) | J7(6) |
1602311016023110 | Section 9. Dryer Controls Overview |
© 2000 Maytag Appliances Sales Company
