Wiring Diagram - Market Forge Industries 2500 HE Service & Parts Manual

TROUBLESHOOTING
FAILURE
1. Will not operate when thermostat is set.
2. Intermittent operation of burners
3. Indicator light off (system operating)
4. System fails to operate upon pressing RESET
switch
5. Convector fan fails to operate
Figure 5-1. Wiring Diagram
TABLE 5-2
ELECTRICAL FAULT ISOLATION GUIDE
FAULT LOCATION
a. Incoming power
b. Door switch
c. Faulty thermostat
d. Wiring
e. Ignition system control board
f. Ignition electrode
g. Gas valve solenoid
a. Damaged control system.
b. Thermostat malfunction
a. Indicator light
b. Wiring
a. RESET switch
b. Wiring
a. Circuit breaker
b. On-Off switch
c. Door switch
d. Fan motor
the interconnecting wiring is complete and not
damaged, the trouble is due to a malfunction of the
components on the ignition control board.
Components on the control board are not replaceable
and a damaged control board must be replaced as a
functional unit. The following paragraphs outline
possible problems and symptoms that may be
encountered during the normal use of the oven.
5.4.3.
CAUTION
IF A CONTROL BOARD IS REPLACED, BE SURE
THAT THE HIGH VOLTAGE LEAD OF THE
ELECTRODE IS CONNECTED TO TERMINAL E1
AND THE LOW VOLTAGE LEAD IS CONNECTED
TO TERMINAL E2 OF THE CONTROL BOARD.
5-3
Refer to paragraph