FULL SIZE GAS CONVECTION OVENS - TROUBLESHOOTING
SYMPTOMS |
| POSSIBLE CAUSES |
Normal (Roast) mode OK, no Hold mode. | 1. | Roast and Hold switch (S3) malfunction. |
(Roast & Hold models only). | 2. | R2 hold relay malfunction. |
| 3. | Roast & Hold timer malfunction. |
| 4. | Interconnecting wiring malfunction. |
|
|
|
Component cooling Fan does not run. | 1. | Motor inoperable. |
| 2. | Interconnecting wiring malfunction. |
|
|
|
Uneven Cooking. | 1. | Convection Fan motor speed/direction. |
| 2. | Poor combustion. |
|
| A. Gas pressure incorrect. |
|
| B. Exhaust vent plugged or obstructed. |
|
| C. Snorkel Vent plugged or obstructed. |
| 3. | Air flow Baffles missing or damaged. |
|
|
|
Intermittent problems. | 1. | High ambient temperatures. |
| 2. | Wiring connections loose. |
| 3. | Cooling fan malfunction. |
|
|
|
No power to temperature control. | 1. | Power switch (S1) in OVEN COOL. |
| 2. | Door or door switch open. |
COMPUTER CONTROL MODELS ONLY
SYMPTOM |
| POSSIBLE CAUSES |
Oven does not heat. | 1. | High limit switch open. |
| 2. | Probe malfunction. |
| 3. | Control malfunction. |
High limit thermostat shutting off gas | 1. | Probe malfunction. |
burner. | 2. | Control malfunction. |
Oven not hot enough. | 1. | Probe malfunction. |
| 2. | Control range high (rH1) setting to low. See SETUP MODE |
|
| under COMPUTER CONTROL (WKGC, WKGCX). |
| 3. | Control malfunction. |
Error Codes
In the display window, the error code will alternate between the code and the oven cavity temperature or dashes if the oven is calling for heat (heat light on). When the condition causing the error is resolved, normal oven operation can resume.
NOTE: To check a SETUP PARAMETER and its corresponding DATA VALUE, see SETUP MODE under
COMPUTER CONTROL (WKGC/WKGCX).
NOTE: If the cause of the error is not apparent, check for these conditions as they may also cause errors to occur: Electrical noise or a noise event, excess environmental moisture or temperature, or vibration.
CODE & PROBLEM | PROBABLE CAUSE | SOLUTION |
Er01 - ROM checksum error | Internal ROM malfunction | Cycle power |
|
|
|
Er02 - RAM checksum error | Internal RAM malfunction | Cycle power |
|
|
|
Er03 - Ambient sensor error | Ambient temperature is below 32EF | Check ambient temperature at the |
|
| control. |
Er04 - Configuration error | Microprocessor malfunction | Cycle power |
|
|
|
Er05 - EEprom error | Power loss while storing data | Cycle power |
Page 63 of 64 |
| F32700 (February 2006) |
|
