Moffat Turbofan G32MS, Service Manual, Page: 22 / 70

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Revision 6/F3590 © Moffat Ltd, February 2005
SECTION PAGE NO.
6.1 FAULT DIAGNOSIS ..............................................................................................................24
6.1.1 Oven Does Not Operate / Start............................................................................24
6.1.2 No Heat / Burner Not Working .............................................................................24
6.1.3 Burner Noisy (Burner Blowback / Backfire) .........................................................27
6.1.4 Fan Does Not Operate.........................................................................................27
6.1.5 Oven Light Not Illuminating—Door Open ............................................................27
6.1.6 Oven Light Not Illuminating—Door Closed ..........................................................28
6.1.7 No Water Injection / Steam ..................................................................................28
6.1.8 Continuous Water Out Of Oven Water Nozzle ....................................................28
6.1.9 60 Minute Timer No Time Up Buzzer ..................................................................28
6.1.10 60 Minute Timer No Time Up Indicator................................................................29
6.1.11 No Temperature Control (Temperature Overrun)................................................29
6.1.12 Slow Recovery .....................................................................................................29
6.1.13 No Thermostat Heating Indicator.........................................................................29
6.1.14 Roast Timer (180 Minute) Will Not Time Down ...................................................29
6.1.15 No Hold Indicator .................................................................................................30
6.1.16 Holding Temperature Incorrect ............................................................................30
6.2 ACCESS ................................................................................................................................30
6.2.1 Control Panel .......................................................................................................30
6.2.2 Service
Panel (Side Panel) ..................................................................................30
6.2.3 Burner Access Panel............................................................................................31
6.2.4 Manual Isolating Valve / Gas Control Valve Access Panel..................................31
6.2.5 Control Panel (Rear) ............................................................................................31
6.3 REPLACEMENT....................................................................................................................32
6.3.1 Lamp
Bulb / Glass................................................................................................32
6.3.2 Door Microswitch..................................................................................................32
6.3.3 Indicator Neon Light.............................................................................................32
6.3.4 Power / Roast / Lights / Water Switches..............................................................32
6.3.5 Buzzer ..................................................................................................................32
6.3.6 Hold Relay............................................................................................................33
6.3.7 Bake Timer...........................................................................................................33
6.3.8 Roast Timer..........................................................................................................33
6.3.9 Thermostat ...........................................................................................................33
6.3.10
Hold Thermostat...................................................................................................34
6.3.11 Water Solenoid.....................................................................................................34
6.3.12 Water Solenoid Cleaning ....................................................................................34
6.3.13 Spray Nozzle........................................................................................................35
6.3.14 Fan .......................................................................................................................35
6.3.15 Motor ....................................................................................................................35
6.3.16 Overtemp (UK Units Only) ...................................................................................35
6.3.17 24 Volt Transformer (USA/Canada Units Only) ...................................................36
WARNING: ENSURE POWER SUPPLY IS SWITCHED OFF BEFORE SERVICING.
6. SERVICE PROCEDURES
WARNING: ALL INSTALLATION AND SERVICE REPAIR WORK MUST BE CARRIED
OUT BY QUALIFIED PERSONS ONLY.