Chapter 5
Service and Replacement Parts
Troubleshooting Guidelines
The Chillgard LS Refrigerant Monitor is designed to provide long and
trouble-free monitoring.
If repairs are indicated, it is possible the user can diagnose and correct
the problem using the following:
• Troubleshooting Guidelines (TABLE 5-1)
• Accessories Parts Lists (TABLE 5-2)
• Replacement Parts List
Table 5-1.Troubleshooting Guidelines
SYMPTOM SOLUTION
No Output/ Power LED
does not Light Check and correct input power.
Check wiring.
Replace power supply.
Replace LED board
Beacon will not Light
When in Alarm 3 Check that plug is connected to circuit board
Replace beacon assembly
No Analog Output Check connection on board to 4-20 mA output
Check board output with meter
Replace circuit board
No RS-485 Communication Check connection and polarity on board to RS-485 output
Check and correct dip switch address and repower unit
Replace circuit board
Calibration Box Does Not
Communicate with Unit Check connection to circuit board
Replace calibration box
5-1
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