Pinguely-Haulotte HA20PX, Repair Manual

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Repair manual 135
35
6 -
OPERATING EQUATIONS
The lights inside the panel show the solenoid valve’s consitions :
Light off : solenoid valve present but not activated
Weak light : solenoid valve not connected
Strong light : solenoid valve present and activated
Machine folded: SQ2=1 and SQ4=1 and SQ9=1
Machine unfolded : SQ2=0 ou SQ4=0 ou SQ9=0
6.1 - START
if (SB3=1 or SB4=1) and W=0 and D+=0 and YV1 pas alimentée then KA2=1
6.2 - STOP MOTEUR
if KA2=1 or (No motor fault for more than 6 seconds)* then KP1=1
*No motor fault => D+=1 and B2=1 and B3=1
6.3 - ACCELERATOR
if (HM4=1 or HM31=1 or HM2=1 or SA9a=1 or SA9b=1) and SQ6=1 or SA2=1
then KT2=1
Accelerator is time delayed for 0.5 seconds.
6.4 - COMPENSATION
Up
if SA5a=1 and SQ6=1 and SA9a=0 and SA9b=0 and SM31ab=0 and SM2ab=0
then YV15a=1 and YV2b=1 and YV1=1
Down
if SA5b=1 and SQ6=1 and SA9a=0 and SA9b=0 and SM1ab=0 and SM2ab=0
then YV15b=1 and YV2b=1 and YV1=1
6.5 - ROTATION
Right
if SA4a=1 then YV19b=1 and YV2b=1 and YV1=1
Left
if SA4b=1 then YV19a=1 and YV2b=1 and YV1=1