
Technical Information
H4080BM Speed Oven
H4080BM Speed Oven - Table of Contents (Continued)
5.0 Service and Maintenance ......................................................................26
5.1 Appliance – Removal for Service ............................................................ 26
5.2 Top Cover - Removal .............................................................................. 27
5.3 High Voltage Capacitor – Discharging Procedure ................................... 28
5.4 Fascia Panel and Support - Removal...................................................... 29
5.5 Door Torsion Spring - Removal ............................................................... 30
5.6 Door Latch - Removal.............................................................................. 31
5.7 Door Safety Switches - Removal............................................................. 32
5.8 Door Safety Switches - Adjustment ......................................................... 33
5.9 Air Duct - Removal .................................................................................. 36
5.10 Air Vent Release Element Motor - Removal............................................ 36
5.11 Microwave Leakage Test......................................................................... 37
5.12 Magnetron – Test Procedure................................................................... 38
5.13 Magnetron - Removal .............................................................................. 39
5.14 High Voltage Capacitor (A4) - Test.......................................................... 39
5.15 High Voltage Capacitor (A4) - Removal .................................................. 40
5.16 Microwave Output Test............................................................................ 40
5.17 High Voltage Transformer - Test .............................................................41
5.18 (V1) Diode - Test ..................................................................................... 42
5.19 (V6) Protective Diode - Test .................................................................... 43
5.20 Outer and Middle Door Glass - Removal................................................. 43
5.21 Door Handle - Removal ........................................................................... 45
5.22 Door Seal - Replacement ........................................................................ 45
5.23 Door Assembly – Removal (with Hinges) ................................................45
5.24 Door Hinge - Adjustment ......................................................................... 46
5.25 Wave Distributor Motor - Removal .......................................................... 47
5.26 Oven Cavity Light – Halogen Bulb Replacement .................................... 48
5.27 Rear Inner Wall - Removal ...................................................................... 48
5.28 Convection Fan - Removal ...................................................................... 49
5.29 Convection Heater Element - Removal ................................................... 50
5.30 Broiler Heater Element - Removal........................................................... 50
6.0 Fault Diagnosis ......................................................................................51
6.1 Power Electronic – Overview / Connectors ............................................. 51
6.2 Fault Code Summary............................................................................... 53
6.3 Fault Code Diagnosis .............................................................................. 54
6.3.1 F05 – Short Circuit in Oven Cavity Temperature Sensor
PT1000 Circuit ............................................................................. 54
6.3.2 F06 – Open Circuit in Oven Cavity Temperature Sensor
PT1000 Circuit ............................................................................. 54
6.3.3 F44 – Communication Error in Program and/or Control
Electronic ..................................................................................... 54
6.3.4 F54 – Short Circuit in Temperature Probe Circuit........................ 54
6.3.5 F55 – Safety Cutoff...................................................................... 54
6.3.6 F60 – Hi-Temperature Cutoff....................................................... 54
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