Troubleshooting guide

MARKET FORGE INDUSTRIES, INC.
35 GARVEY STREET EVERETT, MA 02149
TEL: [phone] TELEX: 91-9494
FAX: [phone] OUTSIDE MA: 800-227-2659
Form No. S-4846 Rev. A 11/98
iii
TABLE OF CONTENTS
PARAGRAPH PAGE PARAGRAPH PAGE
SECTION 1 INTRODUCTION
1.1 Description............................................1-1
1.2 Basic Functioning .................................1-1
1.3 Service .................................................1-1
SECTION 2 INSTALLATION
2.1 Assembly .............................................2-1
2.2 Setting in Place ....................................2-1
2.3 Gas Connection ....................................2-1
2.4 Electric Service Connections ................2-2
2.5 Water Connections................................2-2
2.6 Installation Check-Out ..........................2-2
2.6.1 Warm-up ...............................................2-2
2.6.2 Timed Steam Mode ..............................2-2
2.6.3 Constant Steam Mode ..........................2-2
2.6.4 Shut-Down Procedure ...........................2-3
2.7 Reversing the Doors .............................2-3
SECTION 3 OPERATION
3.1 Operating Controls and Indicators .........3-1
3.2 Operating Procedures ...........................3-1
3.2.1 Daily Firing Procedure ...........................3-1
3.2.2 Cooking ................................................3-1
3.2.3 Daily Shut-Down Procedure ..................3-1
3.3 Cleaning ................................................3-1
3.3.1 Daily Cleaning .......................................3-1
3.3.2 Prolonged Shutdown and Cleaning ........3-1
3.3.3 Generator Cleaning ...............................3-2
3.4 Drainage ...............................................3-3
3.4.1 Cooking Compartment Drainage ............3-3
3.4.2 Drip/Spill Trough Drainage.....................3-3
3.5 Test Kitchen Bulletin.............................3-4
SECTION 4 TROUBLESHOOTING
4.1 General .................................................4-1
4.2 Troubleshooting Guide ..........................4-1
4.3 Electrical Troubleshooting
Procedures .......................................4-1
4.3.1 Incoming Power ....................................4-3
4.3.2 Electrical Inspection .............................4-4
4.3.3 60-Minute Timer ....................................4-4
4.3.4 Door Interlock Switch ............................4-6
4.3.5 Indicator Lights .....................................4-6
4.3.6 Cooking Compartment Thermostatic Switch
4-6
4.3.7 Buzzer ..................................................4-7
4.3.8 Cold Water Condenser Circuit ...............4-7
4.3.9 Wiring ...................................................4-7
4.4 Water Level Control Board ....................4-7
4.4.1 Testing the Water Fill Relay ..................4-8
4.4.2 Testing the Low Water Relay ................4-8
SECTION 5 MAINTENANCE
5.1 General .................................................5-1
5.2 Preventive Maintenance .......................5-1
5.2.1 Cooking Compartment Cleaning ............5-1
5.3 Repair and Replacement .......................5-1
5.3.1 Door Latch Tension Adjustment ............ 5-1
5.3.2 Door Handle Tension Adjustment ..........5-1
5.3.3 Door Gasket Replacement ....................5-2
5.3.4 Exterior Panel Removal ........................5-2
5.3.5 Water Solenoid Valve Replacement ......5-2
SECTION 6 ILLUSTRATED PARTS LIST
6.1 General .................................................6-1
6.2 Ordering Information .............................6-1
6.3 Index of Illustrated Parts List ................6-1
Illustrated Parts List........... 6-2 through 6-14