3. One actuator working on signal direction
Reference to picture 20 and 21, The “
942H-2C-12DS
”relay or “8050”
SMD triode in Q20/Q17 fault, repair or exchange drive board
4. Backrest actuator recline whenever press reclining or inclining button
1) see picture 2, the safety switch pressed by object that cause the reset
Protect function start. To solve the fault is to remove the object from the
Safety switch cover.
2) The safety switch fault cause the mistake of the reset protect function
start. To check or exchange it .
5. One actuator fault with reclining and inclining
Use the normal working cylinder to exchange the trouble one to make sure
the fault from cylinder or drive board ( exchange the plug of both cylinder ),
If it working after exchange them, The fault is from the driver board.
If not working as before , the fault is from trouble cylinder .
exchange the fault one .
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图
Chip
SMT132F103
signal control
Triode S8050 start signal
Patch field effect tube IRF3607 on-off control voltage
Relay 942H-2C-12DS polarity exchange
Self-recovery insurance tube WH60-300
WH60-300
Figure 21 Real picture of actuator power supply
patch field
effect tube
Relay
SMD
triode
Self-recovery
insurance tube
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