Spectrum Controls 140 MPM 204 00sc - Manual (Page 51)

Meter Proving Module
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Chapter Chapter Chapter Chapter Chapter
Maintenance and Diagnostics Maintenance and Diagnostics Maintenance and Diagnostics Maintenance and Diagnostics Maintenance and Diagnostics
This chapter describes maintenance and diagnostics for the Quantum counter module. Provided information
includes:
•
Safety considerations during maintenance
•
Preventive maintenance
•
Internal diagnostics
•
Startup testing
•
Troubleshooting
•
Module errors
Safety Considerations Safety Considerations Safety Considerations Safety Considerations Safety Considerations
Safety considerations are an important element of proper maintenance and diagnostic procedures. Actively
thinking about the safety of yourself and others, as well as the condition of your equipment, is of primary
importance. The following sections describe several safety concerns you should be aware of when
troubleshooting your control system.
A A A A ATTENTION TTENTION TTENTION TTENTION TTENTION Never reach into a machine to activate a switch, because unexpected motion
can occur and cause injury. Remove all electrical power at the main power disconnect switches before
checking electrical connections or inputs causing machine motion.
Indicator Lights Indicator Lights Indicator Lights Indicator Lights Indicator Lights
When the ready (module status) LED on the module is illuminated, it indicates that power is applied to the
module.
Activating Devices Activating Devices Activating Devices Activating Devices Activating Devices
When servicing the module, never reach into the machine to activate a device. Unexpected machine motion
can occur.