INSTALLATION AND OPERATION MANUAL AND PARTS LIST,
MODELS: STHE-7-TGG, STHE-12-TGG, STHE-16-TGG
PART NUMBER 10225R0
28
2010-09-07
ELECTRICAL FAULT ISOLATION GUIDE
FAILURE
FAULT LOCATION
1.
W
ILL NOT OPERATE IN EITHER
CONSTANT
STEAM
OR
60-
MINUTE
TIMER
POSITIONS
.
a. Incoming power
b. Timer
c. Door interlock switch
d. Wiring
2.
O
PERATING IN
CONSTANT
STEAM
POSITION BUT NOT IN
60-
MINUTE
TIMER
POSITION
.
a. 60-Minute timer
b. Wiring
3.
O
PERATES IN
60-MINUTE
TIMER
POSITION BUT NOT IN
CONSTANT
STEAM
POSITION
.
a. Timer
b. Wiring
4.
W
ITH INDICATOR LIGHT ON AND STEAM SOLENOID VALVE OPEN
,
TIMER DIAL FAILS TO TURN
.
a. Compartment thermostatic switch
b. Constant steam position
c. Timer motor
d. Wiring
5.
B
UZZER FAILS TO SOUND AT END OF
60-MINUTE
TIMER
MODE
.
a. 60-Minute timer contacts
b. Buzzer
c. Wiring
6.
S
TEAM FLOWS CONTINUOUSLY FROM BOILER DRAIN LINE
.
a. Thermostatic Cooling valve needs adjusting
b. Thermostatic cooling valve needs replacing
c. Wiring