Troubleshooting, FAULT warning light is illuminated

HDS 2000 Super

7. Troubleshooting

Always disconnect the appliance from the electric mains supply before carrying out any repair work.

•This warning light illuminates if there is a fault.

•When you open the storage compartment cover flap, you will see the electronic display in the view window.

•The warning light extinguishes when you have corrected the fault and switched the appliance back on.

Display	Corrective Action


	–	Increase water supply volume
	–	Increase water supply volume
	– Clean strainer in water connection
	– Clean strainer before the low-water safety device


	–	Replace the reed switch of the low-water safety device*
	– Clean the low-water safety device*


	–	Repair leak in the high-pressure system
	–	Repair leak in the high-pressure system


	–	Decarbonize heater element*
	–	Readjust burner*
	– Replace exhaust gas thermostat*


	–	Check fuses and voltage on all 3 phases.*
	– Replace air pressure switch*


	–	Check amount of fuel in tank
	–	Check amount of fuel in tank
	– Check that burner is functioning correctly*
	– Check fuel nozzle, ignition electrodes and ignition cable,
		and replace if required*
	–	Clean burner*

	–	Motor overload
	–	Motor overload
	– Winding thermo-protection or thermal relay has triggered
	– Remove cause of motor overload

* These faults should be corrected by Customer Service or a qualified electrician only.