
Page 4 Service Manual STG5/7 STW5/7 form 9123647 rev. 03/2014
Index .......................................................................................................................................................... 4
General technical data.............................................................................................................................. 6
Technical Data U.S. Standard Models ................................................................................................... 6
Technical Data U.S. Special Models....................................................................................................... 6
Programming instructions for the STG5 / STG7 and STW5 / STW7....................................................... 7
Optional settings for the STG5 and STG7 ............................................................................................... 9
Removal and replacement of parts for the STG5 and STG7 ................................................................ 11
Right or left side panel........................................................................................................................ 11
Top cover .............................................................................................................................................. 11
Knob ..................................................................................................................................................... 12
Operating panel................................................................................................................................... 12
Electric panel........................................................................................................................................ 13
Display .................................................................................................................................................. 13
Panel and keypad assembly ................................................................................................................ 14
Namepanel........................................................................................................................................... 14
Power and I/O board ........................................................................................................................... 14
Quartz lamp ......................................................................................................................................... 15
Main switch.......................................................................................................................................... 15
High limit thermostat.......................................................................................................................... 16
Contactor.............................................................................................................................................. 16
Heating element.................................................................................................................................. 17
Blower motor....................................................................................................................................... 17
Blower motor bottom rotisserie (stacked STG).................................................................................. 18
PT500 sensor......................................................................................................................................... 18
Drive motor.......................................................................................................................................... 19
Door adjustment (left side) ................................................................................................................. 20
Door inside........................................................................................................................................... 20
Door outside ........................................................................................................................................ 21
Removal and replacement of parts for the STW 5 and STW 7 ............................................................ 22
Blower motor....................................................................................................................................... 22
Thermometer ....................................................................................................................................... 22
Thermostat........................................................................................................................................... 23
Main switch.......................................................................................................................................... 23
Heating element.................................................................................................................................. 24
Halotherm lamp................................................................................................................................... 24
Electrical tests and service procedures.................................................................................................. 25
Heating element test........................................................................................................................... 25
Contactor, drive motor and blower test............................................................................................. 25
PT500 Sensor test................................................................................................................................. 26
Keypad test .......................................................................................................................................... 27
Changing Quartz light functions ........................................................................................................ 27
Control location................................................................................................................................... 28
INDEX