4.1 High-voltage test (for production)
For the high-voltage test, the drive motor is run for two minutes in the same direction. The fan is
also operated and after 30 seconds, the condensate pump will also start up. All other consumers
are switched off.
This test programme is terminated after two minutes.
4.2 Drying programme
During the duration of this programme, the display shows the temperatures of the temperature
sensors in the machine.
SFH HP
During the first 40 seconds the drum motor (including process air fan) and the compressor are in
operation. Then the sub cooler fan also switches on.
During minute 3 and 4 only the drum motor (including process air fan) is in operation.
SFH C
The machine runs a 4-minute heating cycle followed by a 2-minute cooling cycle.
The condensate is drained at the end.
AB HP
During the first 2 minutes the drum motor, the process air fan and the compressor are in
operation
The auxiliary heater turns on until the air temperature reaches 40 °C. Then the lower radiator fan
switches on, but with a 40 second delay.
During minute 3 and 4 only the drum motor and the process air fan are in operation.
4.3 Heating
SFH HP
During the first 30 seconds the drum motor (including process air fan) and the compressor are in
operation.
Let run for another 10 seconds, and then the drum motor (including process air fan) and the sub
cooler fan are in operation.
SFH C
The drive motor starts up. The high-power heater is activated first for 5 seconds, then the low-
power heater. The drive motor runs for about 30 seconds longer.
AB HP
The drum motor, the process air fan, the compressor, the low-power heater and the sub cooler
fan are activated sequentially. After 16 seconds this programme is terminated.
4.4 Condensate pump
SFH HP and AB HP
First the Y-valve is actuated. After 60 seconds, the condensate pump will start up and pump the
water to the outside. The pump runs for 60 seconds and then the programme ends.
SFH C
The condensate pump runs for 60 seconds.
4.5 Reversing
SFH
Inspection of the drive. The drum will rotate clockwise for 10 seconds, then it will stop for 2
seconds rotate again clockwise for 10 seconds, and so on.
The fan also runs. The programme ends after two minutes.
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