Training Guide Course No. 196514
Level 2 Maintenance, X-1000 Series Dispensing Systems 4-120 P/N 196515 (Revision A)
Information Sheet 4-9-1
Troubleshooting the Scale
A. Scale Fault Isolation Procedure
1. The Scale Fault Isolation Procedure consists of the following:
Mechanical Verification (Page 4-121)
Scale Operational Verification (Page 4-122)
Scale Power Verification (Page 4-124)
Scale Communications Verification (Page 4-125)
2. Before troubleshooting, please follow the troubleshooting guidelines below.
B. Scale Troubleshooting Summary
Symptom Possible Cause Fault Isolation Page
Scale Power Verification 4-124
Scale fails to
initialize
No power at Scale interface;
loose Connections, defective
Com Cable;COM1 port
Scale Communications
Verification
4-125
Mechanical Verification 4-121
Scale will not
Zero
Vibration, Filter settings, Scale
not level, Read Scale Delay
adjustment, air currents
Scale Operational Verification 4-122
Scale
inaccurate
measurements
Scale calibration, Scale not
level, air currents, Read Scale
Delay adjustment
Scale Operational Verification 4-122
Scale reading
always 0.00
Scale or Scale Interconnect
Cable problems
Scale Operational Verification 4-122
C. Troubleshooting Guidelines
1. A dispensing system in need of troubleshooting may have High Voltage
present in both designated and unsuspected places that can result in injury
or death. It is imperative to adhere to the Safety Precautions outlined in the
Safety Section of this training guide.
2. Disconnect and lockout power to systems connected to the dispensing
system (such as loaders and ovens) before troubleshooting. Failure to do so
may result in serious injury or death.
3. Troubleshooting should only be performed by an Asymtek Field Service
Engineer or an Asymtek-trained service technician.
4. Note: Scale requires a one-hour warm up period after prolonged dispensing
system power down.
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