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Impinger X2 – Analog Service Manual – Dom & Int’l 15
switch as needed.
Control, conveyor Check for supply voltage to conveyor control at
terminals #1 (AC) and #2 (AC). If no voltage is present,
trace wiring back to conveyor switch. If AC voltage is
present, check for DC voltage output at terminals #3
(A-) and #4 (A+). If there is AC voltage in, but no DC
voltage out of the conveyor control. Replace the
conveyor control. If there is D.C. voltage output,
proceed.
Fuse, 2 Amp Check, replace if necessary.
Fuse holder Check for D.C. voltage supplied to fuse holder. If no
voltage is present, trace wiring back to conveyor
control. Check fuse holder, replace if necessary.
Switch, conveyor reversing Check for D.C. voltage supplied to the reversing switch.
If no voltage is present, trace wiring back to the fuse
holder. Check continuity between switch terminals.
Replace switch as needed.
Conveyor motor Check for D.C. voltage to the conveyor motor. If no
voltage is present, trace wiring back to the reversing
switch. If voltage is present and the motor will not run,
check the motor windings for opens or shorts. Check
motor brushes for excessive wear. Replace motor
brushes as needed.
If any of the above fails, replace conveyor motor.
Conveyor Check for any mechanical problems in the conveyor
assembly. Check for damaged or torn belting. Check
conveyor shaft bearings for damage or excessive wear.
Repair or replace conveyor components as needed.
Conveyor speed varying or
intermittent
Power supply Check for a steady supply voltage to the conveyor
control. If voltage is not steady, trace back to power
supply.
Control, conveyor Check for a steady DC voltage output at terminals A+
and A-. If voltage is not steady, proceed. Check for
5 VDC output from the conveyor control at terminals
+5V(red) and COM (black). If there is no voltage output,
replace the conveyor control. If there is DC output,
proceed.
Motor, conveyor Check conveyor motor and gearbox for any visible
damage. If there is apparent damage, repair or replace
conveyor motor. Check motor brushes for excessive or
abnormal wear. Replace motor brushes as needed.
Hall effect sensor/magnet Check to be sure that the Hall effect sensor and
magnet are mounted on the motor. Check for any
visible damage to the Hall effect sensor and magnet. If
there is visible damage, repair or replace as needed. If
there is no visible damage, check for a frequency
output from the hall effect sensor at terminals SIG
(white) and COM (black).
Readings should be as follows:
2:15 cook time 56 Hz. approx.
5:00 25 Hz. approx.
10:00 13 Hz. approx.
16:00 8 Hz. approx.
If these readings are not achieved, replace the Hall
effect sensor/magnet