Lincoln Impringer Conveyor Oven 1000 - Manual (Page 31)

Impinger I -–1000 Series Service Manual - Domestic 31
Conveyor Drive (Stepper)
Control
Perform all checks as in the above evaluation. If
the time check is okay, refer to the next section.
Check to see if the conveyor drive (stepper) motor
is running. If motor is not running, refer to
"Conveyor will not run" on page 28.
Magnet Check to insure that the magnet (cemented to shaft
of conveyor drive (stepper) motor) has not been
damaged, or come loose from motor shaft.
Replace as needed.
Hall Effect Sensor Check for any physical damage to Hall Effect
sensor (mounted on conveyor drive(stepper)
motor). Check all wiring and connections for
damage.
Time Display
inaccurate, erratic, or
inoperative(S/N
Q19078 & Above1000
Series) (S/N Q14791 &
Above1200 Series)
Conveyor Drive (Stepper)
Control
Check all connections for tightness or proper
location and check all wiring for visible damage.
Replace as needed. If there is still no time display,
wire in (temporarily) a new conveyor drive control.
If there is still no time display, reconnect original
conveyor drive control. Replace Hall Effect Sensor.