Hotpoint LTF11M121OUK Service Information page 22

Fully integrated dishwasher with display and o3 active oxygen
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Possible Reasons For Fault Code Displayed
Note: - Always carry out an earth insulation test before using the fault guide, as an earth fault on a
component or damaged wiring may display fault codes not related to the component signalled.
If any earth faults are found on initial testing they must be rectified before using the fault code chart,
to avoid erroneous codes being displayed.
Modern components, especially modules are very reliable, therefore edge connectors, contacts and
wiring should be thoroughly tested before trying components.
Fault Code 1
The micro-switch in the base tray has been closed for 9 seconds to signal the
alarm.
Water is leaking from components or hoses in the base of the machine.
Programme will abort and the drain pump will be energised.
Fault Code 2
The module has detected movement of the turbine for 9 seconds when the inlet
valve was not energised.
The inlet valve is letting water by when the valve is closed.
The programme will be aborted and the drain pump is energised.
Fault Code 3
The drain pump has been energised for 8 minutes, but the pressure switch has not
switched to the empty position (contacts 11-12).
• Check continuity of the pump coil.
• A jammed drain pump or blockage in the outlet hose or plumbing.
• A blocked pressure chamber or pressure switch air tube.
• A faulty pressure switch.
• Check wiring to pump and module connections.
Fault Code 6
Time out for filling.
The module has not detected turbine rotation with the inlet valve energised.
• Check the taps are turned on and that the fill hoses are not kinked.
• Check the inlet valve coil (4k ohms approximately) and wiring to valve and edge
connector on module.
• Check the wiring and connector blocks to module, inlet valve and turbine.
• If all above tests are OK, replace turbine or module as required.
Aborts the cycle and energises the drain pump.
Fault Code 7
The module has detected no turbine rotation
• Check wiring between turbine and module.
• Check Turbine rotation
Fault Code 8
Time out for water heating.
The module has not detected temperature increase in 60 minutes.
• Check that the thermistor is not detached from its sump pocket.
• Check that the heater is not open circuit.
• The thermistor is out of calibration.
• Check the wash pump is circulating the water.
• Check the element is heating, and the TOC is not opening after a time.
• Note: The heater has a self-resetting cut-out (95 °C ) and a thermal
one-shot fuse (206 °C ).
Service Manual UK
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