Volvo FM Handbook page 390

3 Use reasonable power to press in the new hand unit
cable into the ALCOLOCK'S hand unit contact. You
should hear a weak click sound.
4 Depending on the ambient temperature, you may
need to wait for a few seconds. During this time
"Wait" is shown.
Wait unit the hand unit shows "Test again". The status
LED flashes green.
5 Fit a new nozzle to the hand unit.
Alcolock 379
Retest
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