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M-SV-001-EN Rev. G
Appendix B – Compressor Troubleshooting Flowcharts
This appendix contains flowcharts for Compressor Operation Troubleshooting ("Figure B-20
Compressor Operation Troubleshooting Flowchart (Sheet 1)") and Compressor Voltage
Troubleshooting ("Figure B-22 Compressor Voltage Troubleshooting Flowchart (Sheet 1)" on page
273.).
Figure B-20 Compressor Operation Troubleshooting Flowchart (Sheet 1)
Is the compressor
operating correctly?
Is the Mains voltage
within range?
End
A
Yes
No
Yes
Repair Mains
voltage problem
No
Are the LEDs on the
I/O Board lit?
Can you
communicate with compressor
via Monitoring Program?
Yes
Are the LEDs on the
backplane board lit?
No
Is
the monitoring program
indicating a fault?
Yes
Are all backplane
voltages OK?
No
Yes
Is I/Lock circuit open?
Can
fault be reset by setting
demand % to Cycle
Demand?
No
Yes
D
E
H
No
Yes
No
F
No
G
Yes
B
C
Yes
No
Ensure comm. Port
number and slave
addresses are
correct
Start
See
4.2.1 Compressor Fault
Troubleshooting ‐ Fault
Reset
Содержание TGH285
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