Is ultrasonic depth subsystem – ADS Environmental Services FlowShark QR 775003 A2 User Manual

Page 209

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ADS FlowShark IS Manual

Problem

No DC power is available at the EMU.

Possible

Cause

Breaker may have tripped.

Station power may be off.

Power supply may have failed.

Power supply wiring may have become disconnected.

Possible

Solutions

Restore main power source to station (Owner must
perform this operation.).

Check for wiring faults and then reset breaker.

Look for DC ON LED on the front of the ADS Power
Supply. If it is off, but AC power is live, replace the
power supply.

Contact your regional ADS representative.

IS Ultrasonic Depth Subsystem

The following tables contain general troubleshooting techniques for

problems with the ultrasonic depth subsystem.

Note:

Contact your regional ADS representative for

further diagnosis prior to replacing a sensor.

Problem

Range from ultrasonic depth subsystem is slightly
inconsistent with manually measured range.

Possible

Causes

Physical offset may be incorrect.

Pipe height may be incorrect.

Possible

Solutions

Verify the physical offset, and adjust it if necessary.

Verify the pipe height.

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