7 — Appendices
Service Instructions RP-A301CE/RP-A351CE/RP-A355CE 7 - 5
7.3 Common faults/Corrective action
klqbW Before starting any control, turn lk the dip switch 15.
Possible Push- LED no. Parts to check Pos. no.
problems button
Blade A 1 Off 1 Fuses 14A-14B
motor 2 Power cable 19
does 3 Transformer on PCB 16
not run 4 Printed circuit board 18
On Go to checkpoint B
B 3 Off Connection of the blade cover
microswitch and sharpener microswitch 32
On Go to checkpoint C
C 28 4 Off Replace the pushbutton 28
On 1 Relay 17
2 Capacitor 21
3 Blade motor 20
The blade A ON 6 Off Carriage microswitch 31-36
rotates
whereas On Go to checkpoint B
the
carriage B ON 30 8 Off Carriage start pushbutton 30
does not
move On Go to checkpoint C
C ON 30 11A Off Replace the PCB 18
On 1 Integrated circuit MOC 3040 13
2 Printed circuit board 18
3 Carriage motor 25
The blade A ON ON 9 Always Replace the microswitches of stroke end 26
rotates Off
and the
carriage On the Go to check point B
starts stroke
and stops end
at the end
of the B ON ON 11B Turn the stroke adjustment knob to the 34
stroke maximum stroke
beyond
the blade Off Replace the printed circuit board 18
On * Replace the first integrated circuit
M0C 3040 12
*Generally in this position the lamp lights only for a few TENTHS of a SECOND
Checks
Blade motor
Carriage motor
Position of
carriage handle
Blade
Plate
Automatic
Automatic
Automatic AutomaticAutomatic
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