Thermo AC-4000, Руководство по эксплуатации и обслуживанию

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REC 3838 4-16
TABLE 4-1
TROUBLESHOOTING PROCEDURES - Continued
SYMPTOM PROBABLE
CAUSE CORRECTIVE ACTION
Message "A/D Over
Ranged" Input from
loadcell has
exceeded A/D
input range Check for objects on weightable
that exceed loadcell capacity.
Incorrect Conveyor Speed Speed
incorrectly set
If problem
persists
Display speed on front panel and
re-adjust speed potentiometer to
correct speed.
Check speed calibration constant
and speed sensor.
Conveyor slows or stops Product build up
on drive
Timing belt
broken or loose
Seizure of drive
shaft bearings
Loose drive
sprocket or
timing gear
Clean machine.
Adjust or replace timing
belt. Refer to Drive Belt
Replacement and Adjustment
Procedures in the weightable
manual.
Lubricate bearings, or if bearings
are defective, refer to Chain Drive
Sprocket Replacement
Procedures in the weightable
manual.
Retighten loose set screw on
drive sprocket or motor
timing gear.