Vulcan-Hart ML-114905, VFB12, ML-114908 operation manual Voltage Test

Press the 1 button to begin the lamp test. The door will lock and the lamps will each turn on briefly. After each lamp is turned on successfully, the display will report Lamp OK. If all lamps pass, the oven will automatically return to the normal operating mode.

If a lamp does not operate properly, the test will stop and the display will show the number of the lamp that failed.

Lamp 2

Lamp Error

------->> Press Any Key <<-------

Press any key to continue the test. At the end of the test, the display will show “Lamp Check Finished.” If a lamp was reported as an error, re-run the test and verify visually that the lamp did or did not light.

If either of the two light sensors failed to operate during the test, you will see the following message at the end of the test:

Lamp Check Finished

No Bottom Sensor

If either a lamp or a sensor are reported as a problem, call your local Vulcan Service Office.

Voltage Test

After performing the lamp test, the display will return to Recipe 1. On a new oven, the display will say Empty Recipe.

Recipe 1 0:00

EMPTY RECIPE

Press the green START button. The door will lock, the blower will start, and a few seconds later the cycle will end and the door will unlock. Now hold down the 1 button and push the 7 button at the same time. The display will report the system voltage, single or three-phase, and the phasing if three-phase. (The phasing will show as “CCW” or “CW.” Either phasing is acceptable. This information is used for troubleshooting only.) The display will be similar to one of these:

208Volts

Single Phase

Automatic

240Volts

Three Phase

Phasing CCW

Automatic

The voltage reported on this screen must match the nominal system voltage supplied to the oven: either 208 Volts or 240 Volts. Call your local Vulcan Service Office if it does not match.

– 7 –