Carbest VANHEAT 2.0-DH User Instruction page 330

FR
CARBEST VanHeat 2.0-DH & 4.0-DH | 48182 & 48183
DE
Fuel pump
Select with:
Then press briefly simultaneously:
Menu P1 appears
Select P2 with:
Confirm menu P2 with:
For a period of 90 seconds, the fuel pump pumps at a
frequency of 2.5 Hz.
Stop by pressing any button.
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