Market Forge Industries ST-6E, ST-3E manual Trouble Probable Cause Remedy, 08-6549

Page 18

TROUBLE-SHOOTING

TROUBLE

 

PROBABLE CAUSE

 

REMEDY

 

POWER light does not come on when

1.

No 120v power to unit.

 

1.

Be sure 120v power supply is on.

the POWER switch is pressed into the

2.

Fuse blown.

 

2.

Replace fuse.

 

 

ON position

3.

Faulty POWER switch.

 

3.

Check/replace POWER switch (P/n

 

 

 

 

 

 

 

 

08-6549).

 

 

Water enters the steam generator very

1.

Dirty strainer screen in the water fill

1.

Clean/replace strainer screen.

slowly.

 

solenoid valve.

 

2.

Clean valve seat.

 

 

2.

Dirt or lime accumulation on seat of

 

 

3.

Check inlet press. (25-50 PSI).

 

 

water fill solenoid valve.

 

 

 

 

 

 

3.

Low water pressure.

 

 

 

 

 

Steam generator will not fill.

1.

Faulty generator fill solenoid valve.

1.

If 120v is verified at the fill solenoid

 

2.

Faulty

generator drain

solenoid

 

coil, (see Fig. 13) but the valve fails

 

 

valve.

 

 

 

to open, replace the valve (P/n 08-

 

3.

Lime Build-up on Probe .

 

 

6498).

 

 

 

 

 

 

 

2.

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).

 

 

 

 

 

 

 

3.

Clean or Replace Probe (P/n 08-

 

 

 

 

 

 

6337).

 

 

READY light will not come on.

1.

208/240/480 power supply is not

1.

Check to be sure 208/240/480 elec-

 

 

on.

 

 

 

trical service is turned on.

 

 

2.

Faulty 195°F generator thermostat.

2.

Check/replace thermostat (P/n 08-

 

3.

Lime Build-up on Probe.

 

 

6449).

 

 

 

 

3.

Clean or Replace Probe (P/n 08-

 

 

 

 

 

 

 

 

 

 

 

6337).

 

 

Generator will not create steam

1.

208/240/480 power supply is not

1.

Check to be sure 208/240/480 pow-

 

 

connected or not turned on.

 

er is connected and on.

 

 

2.

Cooking compartment door is ajar.

2.

Check to be sure that the cooking

 

3.

Cooking compartment door out of

 

compartment

door is closed and

 

 

latched.

 

 

 

 

alignment.

 

 

 

 

 

 

 

3.

Check to be sure cooking compart-

 

4.

Faulty

door magnet or

magnetic

 

 

reed switch.

 

 

ment door is properly aligned.

 

 

 

4.

Check magnet (P/n 08-5027). and

 

5.

Lime buildup on probe.

 

 

 

 

reed switch (P/n 08-6308). Replace

 

6.

Faulty circuit breaker (P/n 08-6472

 

 

 

if needed.

 

 

 

 

/ 10-5944).

 

5.

Clean or replace probe (P/n 08-

 

7.

Faulty steam relay or contactor.

 

 

6337).

 

 

 

8.

Faulty control panel TIMER.

6.

Check circuit breaker at your

 

9.

Faulty MODE selector switch

 

208/240/480 volt service connec-

 

10.

Wiring short.

 

 

tion. Reset if

necessary

(P/n 08-

 

 

 

6472/10-5944).

 

 

 

 

 

 

 

 

 

 

 

 

 

7.

Check/replace steam relay or con-

 

 

 

 

 

 

tactor if necessary (P/n 08-6472/10-

 

 

 

 

 

 

5944).

 

 

 

 

 

 

 

8.

Check/replace control panel TIMER

 

 

 

 

 

 

if necessary (Mechanical 08-6464,

 

 

 

 

 

 

Digital 08-6429).

 

 

 

 

 

 

9.

Check/replace

MODE

SELECT

 

 

 

 

 

 

switch if necessary (P/n 08-6550).

 

 

 

 

 

10.

Check wiring, at terminals.

 

Generator continues to create steam

1.

Faulty magnet reed switch (contacts

1.

Check magnetic reed switch. Re-

when the cooking compartment door is

 

failed closed).

 

 

place if necessary (P/n 08-6308).

opened.

2.

Wiring short.

 

2.

Check wiring, at terminals.

 

 

 

 

16

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Contents Models ST-3E ST-6E Table of Contents Description ServiceIntroduction Basic FunctioningInstallation Completely Tighten the Hinge Mounting Supplemental Wire Sheet Mechanical Wiring Diagram Digital Wiring Diagram Initial Systems Inspections OperationCooking USE of the Digital Timer Controls & Indicators LocationsCooking Mechanical Controls Daily Cleaning Prolonged SHUT-DOWN & CleaningGenerator Cleaning Mechanical Timer Control Panel Mechanical Timer with Hold Control Panel Digital Timer Control Panel Principles of Operation Testing the LOW Water Fill Relay TROUBLE-SHOOTINGTesting the Water Fill Relay Water Level Control BoardWater Level Control Board Trouble Probable Cause Remedy 08-6549Maintenance Preventive MaintenanceCleaning the Generator Cleaning Instructions Door AdjustmentDoor Alignment Door Handle Tension Adjustment Door Gasket ReplacementIllustrated Parts List TOP Level AssemblyST-3E ST-6E Part Description QTY List of Heating Elements Part Model Voltage Rating Part Description QTYST-3E ST-6E Part Description QTY See Note Digital Panel Assembly Part Description QTY