HDS 2000 Super
GB
7. Troubleshooting
7.2Indicator lights
•Indicator light for fuel tank lights up
–Refill with fuel.
–Check that the fuel level sensor is functioning correctly.
•Indicator light for liquid softener lights up
–Refill with RM 110 liquid softener.
–Clean the electrodes in the liquid softener tank.
•If warning light for detergent illuminates
–Refill with detergent.
•Indicator light for incorrect motor rotation illuminates
–See chapter 4.7.
7.3The appliance does not come up to pressure
•Fill the detergent tank or set the metering valve to zero.
•Vent the appliance (see Operation, chap. 5).
•Clean strainer in water inlet on both float tanks.
•Check the water intake volume (see technical data, chap. 3).
•Check all the supply lines to the pump for leaks and blockages.
7.5Detergent is not being drawn in
•Clean the detergent suction hose and filter.
•Clean the metering valve for cleaning agent.
•Clean the
•Check all the detergent hoses and connections for leaks.
•Check whether the detergent solenoid valves have opened.
7.6Burner does not ignite
•The ignition sparks can be observed through the inspection window in the burner cover. The appliance has a continuous ignition., i.e. even when operating with cold water an ignition spark must be visible. Clean, adjust or replace the ignition electrodes as required.
–Fill the fuel tank.
–Check that the fuel pump and the fuel solenoid valve function correctly.
–Clean the strainer in the
–Change the fuel filter.
–Clean the sensor for the electronic flame monitor.
7.4The pump is knocking
•Check all the supply lines to the pump, also the detergent system, for leaks and blockages.
•Vent the appliance (see Operation, chap. 5).
7.7The temperature is not reached when operating with hot water/steam
•Set the thermostat higher.
•Reduce the operating pressure and the flow rate.
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