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– Always disconnect the appliance from
the electric mains supply before
carrying out any repair work.
– The electrical components must only
be checked by the authorized customer
service.
Display
1
F
2
F
3
f
4
f
5
f
* These faults should be corrected by Customer Service or a qualified electrician only.
7. Troubleshooting
Corrective Action
– 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
– Decarbonize heater element*
– Readjust burner*
– Replace exhaust gas thermostat*
– Check fuses and voltage on all 3 phases*
– Change phases in the electrical connection*
– Replace air pressure switch*
7.1 Maintenance/Fault Warning Light
Illuminates
• • • • •
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.
HDS 995
25
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