Market Forge Industries ST-3E ユーザーズマニュアル
16
TROUBLE-SHOOTING
TROUBLE
PROBABLE CAUSE
REMEDY
POWER light does not come on when
the POWER switch is pressed into the
ON position
No 120v power to unit.
Fuse blown.
Faulty POWER switch.
Fuse blown.
Faulty POWER switch.
1.
2.
3.
2.
3.
Be sure 120v power supply is on.
Replace fuse.
Check/replace POWER switch (P/n
Replace fuse.
Check/replace POWER switch (P/n
08-6549).
1.
2.
3.
2.
3.
Water enters the steam generator very
slowly.
Dirty strainer screen in the water fill
solenoid valve.
Dirt or lime accumulation on seat of
Dirt or lime accumulation on seat of
water fill solenoid valve.
Low water pressure.
Low water pressure.
1.
2.
3.
Clean/replace strainer screen.
Clean valve seat.
Check inlet press. (25-50 PSI).
Clean valve seat.
Check inlet press. (25-50 PSI).
1.
2.
3.
2.
3.
Steam generator will not fill.
Faulty generator fill solenoid valve.
Faulty generator drain solenoid
valve.
Lime Build-up on Probe .
1.
2.
3.
If 120v is verified at the fill solenoid
coil, (see Fig. 13) but the valve fails
to open, replace the valve (P/n 08-
6498).
If 120v is verified at the drain sole-
If 120v is verified at the drain sole-
noid coil, (see Fig. 13) but the valve
fails to close, replace valve (P/n 08-
5021).
Clean or Replace Probe (P/n 08-
Clean or Replace Probe (P/n 08-
6337).
1.
2.
3.
READY light will not come on.
208/240/480 power supply is not
on.
Faulty 195°F generator thermostat.
Lime Build-up on Probe.
Faulty 195°F generator thermostat.
Lime Build-up on Probe.
1.
2.
3.
3.
Check to be sure 208/240/480 elec-
trical service is turned on.
Check/replace thermostat (P/n 08-
Check/replace thermostat (P/n 08-
6449).
Clean or Replace Probe (P/n 08-
Clean or Replace Probe (P/n 08-
6337).
1.
2.
3.
Generator will not create steam
208/240/480 power supply is not
connected or not turned on.
Cooking compartment door is ajar.
Cooking compartment door out of
Cooking compartment door is ajar.
Cooking compartment door out of
alignment.
Faulty door magnet or magnetic
Faulty door magnet or magnetic
reed switch.
Lime buildup on probe.
Faulty circuit breaker (P/n 08-6472
Lime buildup on probe.
Faulty circuit breaker (P/n 08-6472
/ 10-5944).
Faulty steam relay or contactor.
Faulty control panel TIMER.
Faulty MODE selector switch
Wiring short.
Faulty steam relay or contactor.
Faulty control panel TIMER.
Faulty MODE selector switch
Wiring short.
1.
2.
3.
3.
4.
5.
6.
6.
7.
8.
9.
10.
8.
9.
10.
Check to be sure 208/240/480 pow-
er is connected and on.
Check to be sure that the cooking
Check to be sure that the cooking
compartment door is closed and
latched.
Check to be sure cooking compart-
Check to be sure cooking compart-
ment door is properly aligned.
Check magnet (P/n 08-5027). and
Check magnet (P/n 08-5027). and
reed switch (P/n 08-6308). Replace
if needed.
Clean or replace probe (P/n 08-
Clean or replace probe (P/n 08-
6337).
Check circuit breaker at your
Check circuit breaker at your
208/240/480 volt service connec-
tion. Reset if necessary (P/n 08-
6472/10-5944).
Check/replace steam relay or con-
Check/replace steam relay or con-
tactor if necessary (P/n 08-6472/10-
5944).
Check/replace control panel TIMER
Check/replace control panel TIMER
if necessary (Mechanical 08-6464,
Digital 08-6429).
Check/replace MODE SELECT
Check/replace MODE SELECT
switch if necessary (P/n 08-6550).
Check wiring, at terminals.
Check wiring, at terminals.
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
Generator continues to create steam
when the cooking compartment door is
opened.
Faulty magnet reed switch (contacts
failed closed).
Wiring short.
Wiring short.
1.
2.
Check magnetic reed switch. Re-
place if necessary (P/n 08-6308).
Check wiring, at terminals.
Check wiring, at terminals.
1.
2.