Control Board Over Temp Count...........................................................................................................................35
Keypad Test............................................................................................................................................................35
ALERTS & ERRORS
........................................................................................................................................... 37
Open Door Alert.....................................................................................................................................................38
Inverter Error .........................................................................................................................................................38
Sensor Error............................................................................................................................................................39
TPL Error.................................................................................................................................................................39
IMPINGEMENT SYSTEM
............................................................................................................................... 41
Blower Motor.........................................................................................................................................................42
Testing Blower Motor............................................................................................................................................42
Frequency Inverter ( WEGCFW100 )......................................................................................................................43
Frequency Inverter Troubleshooting ....................................................................................................................44
High Limit Thermostat ...........................................................................................................................................47
Testing High-Limit Thermostat..............................................................................................................................48
Convection Heater .................................................................................................................................................49
Testing Convection Heater ....................................................................................................................................49
IR Element..............................................................................................................................................................50
Testing IR Element .................................................................................................................................................50
Testing Heat Circuit Breaker..................................................................................................................................51
CC/IR Temperature Sensors ..................................................................................................................................51
Testing Temperature Sensors................................................................................................................................51
CONTROL SYSTEM
........................................................................................................................................... 53
Main Control Board/ Display.................................................................................................................................54
Testing Main Control Board...................................................................................................................................55
Keypad....................................................................................................................................................................56
Testing Keypad.......................................................................................................................................................56
Speaker...................................................................................................................................................................57
Testing the Speaker ...............................................................................................................................................57
POWER COMPONENTS
................................................................................................................................. 59
EMI Filter................................................................................................................................................................60
Testing EMI Filter ...................................................................................................................................................60
12VDC Power Supply .............................................................................................................................................60
Testing Power Supply ............................................................................................................................................61
