Use and maintenance manual S70 - S90 - SC90
Pag.47
Rev.0 18/05/2020
AL 14 SCREW
PHASE
No cable connection to power the gear motor
screw
Check the mains voltage.
AL 15 SCREW TRIAC An internal part of the electronic board that
controls the pellet infeed screw is faulty.
Check the ue is free and clean
Possible voltage drops or incorrect input
voltage
Check the mains voltage.
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