
9. PROBLEM SOLVING Cont’d
4.
Baking characteristics from front to back.
(a)
Cause:
Remedy
Unit not level, front to back
Using spirit from front to back,
level up appliance by means of
adjustable feet
.
5.
Dried out Product
(c)
Cause:
Remedy
Too low a temperature.
Adjust thermostat accordingly.
(b)
Cause:
Remedy
Too long a baking time.
Adjust cooking time and
temperature to suit product.
6.
Wide Variation of results from bake to bake.
(a)
Cause:
Remedy
Fluctuating gas pressure.
Fit or adjust governor.
7. Pilot
outage
(a)
Cause:
Remedy
Fluctuating
pressure. Fit
or
adjust
governor.
(b)
Cause:
Remedy
Contamination of pilot orifice.
Clean pilot orifice.
(c)
Cause:
Remedy
Extreme over-gassing of main
Check burner jet orifice size or
Burner. Governor
adjustment.
(d)
Cause:
Remedy
Defective
thermocouple
Replace.
(e)
Cause:
Remedy
Defective safety shut-off valve.
Replace.
(f)
Cause:
Remedy
Poor connection between thermocouple Clean
lead and valve.
(g)
Cause:
Remedy
Too high or too low input to pilot.
Adjust
NOTE:
Milivoltage tests by screwing an interrupter block into the back of the magnetic
armature and test with a milivolt meter and reading should be between 18-25 milivolts.
IM036B2/15