13
LT-2023
TROUBLESHOOTING
TROUBLESHOOTING CHART E
Visible Alarm Audible Alarm Compressor Power Light
ON ON ON ON
OTHER SYMPTOMS POSSIBLE CAUSE POSSIBLE REMEDY
Fluctuating or no ow System pressure below 9 psi (62.1 kPa) due to:
1. Leak in system 1. Check for leaks in all hoses and ttings
2. Defective compressor 2. Replace compressor
TROUBLESHOOTING CHART F
Visible Alarm Audible Alarm Compressor Power Light
See Below See Below ON ON
OTHER SYMPTOMS POSSIBLE CAUSE POSSIBLE REMEDY
No OSD lights are illuminated. Defective OSD. Check concentration with an oxygen analyzer. If the concentration is
within specification, replace the PC board.
No OSD lights are illuminated, but red
“Service Required” light is illuminated
accompanied by a beeping audible alarm
Oxygen level is low* Check concentration with an oxygen analyzer. If the concentration is
within specication, replace the PC board. If the concentration is low,
refer to low oxygen concentration symptom in Troubleshooting Chart A.
Both OSD lights are illuminated. Defective OSD Replace PC board.
Yellow Low Oxygen light is illuminated. Oxygen level is low* Check concentration with an oxygen analyzer. If the concentration is
within specication, replace the PC board. If the concentration is low,
refer to low oxygen concentration symptom in Troubleshooting Chart A.
Yellow Low Oxygen light is illuminated and
an intermittent audible alarm sounds every
few seconds.
Oxygen level is low* Check concentration with an oxygen analyzer. If the concentration is
within specication, replace the PC board. If the concentration is low,
refer to low oxygen concentration symptom in Troubleshooting Chart A.
*Refer to Alerts page for oxygen purity levels.
NOTE-If unit does not run or perform to specication, verify the proper AC input voltage and frequency are being used.
To Next Page
Loading...
