8 troubleshootIng
The following LED Indicator Table lists LED indicator patterns and causes for each mod-
el; the Troubleshooting Table lists troubleshooting solutions for potential problems. Use
the LED Indicator Table to identify the problem, if any, and the Troubleshooting Table to
solve it. If the problem persists, please contact your Graham-Field authorized distributor.
Model
JB0180 only
Indicator
Power
Alarm
Alert
Model
POWER
JB0180S
only
(GREEN)
JB0180 LEDs
Indicator
Power
Alarm
Alert
O
Indicator
2
JB0180-INS-LAB-RevA08
POWER
(GREEN)
LED(s) and/or Audible Alarm
POWER LED illuminates nonflashing
SERVICE REQUIRED LED illuminates;
audible alarm sounds
SERVICE REQUIRED LED illuminates;
intermittent audible alarm sounds
SERVICE
POWER
REQUIRED
(RED)
(GREEN)
LED(s) and/or Audible Alarm
POWER LED illuminates nonflashing
SERVICE REQUIRED LED illuminates;
audible alarm sounds
SERVICE REQUIRED LED illuminates;
intermittent audible alarm sounds
NORMAL OXYGEN LED illuminates
LOW OXYGEN LED illuminates;
SERVICE REQUIRED LED flashes every
two seconds; audible alarm sounds
LOW OXYGEN LED illuminates for
approximately 3 min. at startup; then
POWER LED and appropriate O
illuminate
SERVICE
REQUIRED
(RED)
JB0180 LEDs
Probable Cause
Power is on
1)Power failure
2)Concentrator failure
3)High pressure
4)Low pressure
5)O
< 72% - do not use
2
concentrator, O
Contact your GF authorized
distributor
No oxygen flow
NORMAL
LOW
SERVICE
OXYGEN
OXYGEN
REQUIRED
(GREEN)
(YELLOW)
(RED)
JB0180S LEDs
Probable Cause
Power is on
1)Power failure
2)Concentrator failure
3)High pressure
4)Low pressure
5)O
< 72% - do not use
2
concentrator, O
Contact your GF authorized
distributor
No oxygen flow
O
> 85%
2
O
> 72%, < 85%
2
O
Purity Test performs
2
automatically at startup
LED
2
POWER
NORMAL
LOW
SERVICE
OXYGEN
OXYGEN
REQUIRED
(GREEN)
(GREEN)
(YELLOW)
JB0180S LEDs
too low
2
too low
2
18
(RED)