lb-00193-14.EN Pag. 16 10-02-09
7) Temperature probe alarm
First case: the temperature inside the boiler has reached the maximum value of 131°C
Effect: boiler heating is interrupted and drink keys are disabled.
Solution: swicth off the machine ( OFF ), check and if needed replace the “ triac”.
Second case: the temperature probe is defective and send a 0 Ohm (short circuit) signal to the pc board.
Effect: boiler heating is interrupted and drink keys are disabled.
Solution: switch off the machine OFF, then replace the temperature probe and switch the machine ON.
Third case: the temperature probe is defective and send a 154 Ohm or more (open circuit) signal to the pc board.
Effect: boiler heating is interrupted and drink keys are disabled.
Solution: switch off the machine OFF, then replace the temperature probe and switch the machine ON.
Attention: Periodically check the electric wiring of the TRIAC. A wrong or incomplete wiring
may cause a pc board breakage.
SUGGESTED ORDINARY MAINTENANCE
Routine maintenance must be carried out daily by authorized staff as specified in the specific chapters of instructions machine.
Cleaning of the coffee outlet by means of the provided special brush is part of the daily maintenance.
Special maintenance must be carried out periodically by the I.M.C. Spa. authorized service centre in the following way:
Replace filter holder gasket every 3-6 months
Replace the steam-water valve gasket every 6 months
Replace the steam nozzle joint gasket every 6-12 months
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