Troubleshooting Chart B; Troubleshooting Chart C; Troubleshooting Chart D; Troubleshooting Chart E - Sunrise Medical DeVilbiss Serie Manual De Servicio

TROUBLESHOOTING CHART B

Visible Alarm
Blinking
Other Symptoms
Fan off

TROUBLESHOOTING CHART C

Visible Alarm
Blinking
Other Symptoms
Fan and compressor operating.
Pressure relief valve activated –
"popping" sound

TROUBLESHOOTING CHART D

Visible Alarm
ON
Other Symptoms
Fan operating
Unit warm to the touch and cannot
be restarted for several minutes

TROUBLESHOOTING CHART E

Visible Alarm
ON
Other Symptoms
Fluctuating or no flow
LT-1928
T R O U B L E S H O O T I N G
Audible Alarm
Pulsing
Possible Cause
Line cord not properly installed or defective
No power at receptacle
Oxygen concentrator circuit breaker activated
Line cord quick-connect terminal inside
unit is disconnected
Defective power switch
Defective circuit breaker
Audible Alarm
Pulsing
Possible Cause
Blown fuse on PC board
Defective PC board
Audible Alarm
ON
Possible Cause
Main wiring harness disconnected/defective
Loose compressor wire
Defective capacitor
Defective compressor
Compressor overheated due to:
Occluded filters
Restricted input or output air passage
Low or high line voltage
Defective cooling fan
Defective compressor
Audible Alarm
ON
Possible Cause
System pressure below 9 psi (62.1 kPa) due to:
Leak in system
Defective compressor
Compressor
OFF
Possible Remedy
Insert plug in receptacle or replace line cord
Check building circuit breaker or fuse, or have
house wiring checked by qualified electrician
Circuit may be fully loaded with other
appliances and another receptacle
may be required
Press the circuit breaker reset button
If unit circuit breaker opens again, check
internal wiring
Reconnect quick-connect terminal
Replace power switch
Replace circuit breaker
Compressor
ON
Possible Remedy
Replace fuse
Replace PC board
Compressor
OFF
Possible Remedy
Reconnect/replace wiring harness
Tighten or attach wire
Replace capacitor
Replace compressor
Clean or replace filters
Remove obstruction
Check line voltage; use alternate circuit
independent of other appliances
Replace cooling fan
Replace compressor
Compressor
ON
Possible Remedy
Check for leaks in all hoses and fittings
Replace compressor
12
Power Light
OFF
Power Light
ON/OFF
Power Light
ON
Power Light
ON