66
5-a.
P.E. Valve Coil (IRC5LXO2 after S/N 97JXXXX) - Alarm sequence occurs when the P.E. Valve
Coil, connection or P.C. Board Circuitry has failed.
Test in the following manner:
P.E. Valve Coil Test (FIGURE 4)
5-b.
With the unit running and flow set at 5 L/min., remove one (1) yellow wire from the P.E. Valve. The
P.E. Coil Alarm should activate within 10 seconds. (Refer to FIGURE 5 for Shutdown Mode.)
A
L
A
R
M
T
E
S
T
PROCEDURE 20
ALARM TEST
ALARM MODES
3LX, 5LX, 5LXO2
(BEFORE S/N 97JXXXX)
3LX, 5LX, 5LXO2/5LXO2T, 6LXO2/6LXO2T
(AFTER S/N 97JXXXX)
ALARM
RED
GREEN
High Pressure
On
Off
Low Pressure
On
On
Time-Out
On
On
(30 Secs.)
Low O2
On
Off
All alarms have Compressor Shutdown, Horn
ON and IRC5LXO2 ONLY - RED Panel LED
ON.
ALARM
RED
GREEN
Three (3) Beeps at
0
0
No Problems - System
Startup
OK
Short Beep,
0
0
Main Power Loss
Long Pause
Continuous
1
1
Low Pressure:
Major Leak
Continuous
1
2
High Pressure:
No Switching
Continuous
1
3
Time-out Failure:
Compressor
Continuous
1
4
Pilot Valve 1 Coil
Continuous
1
5
Pilot Valve 2 Coil
Continuous
2
1
73% Shutdown: Low O2
Continuous
2
3
PE Valve Coil
Continuous
2
4
Eprom Failure
Continuous
2
5
Ram Failure
Continuous
3
1
Oxygen Sensor Failure
INTERNAL LED
INTERNAL LED FLASHES
*No Shutdown, Unit continues to run.
All alarms have Compressor Shutdown, Horn ON and
5LXO2/5LXO2T, 6LXO2/6LXO2T ONLY - RED Panel
LED ON.
FIGURE 5 - ALARM MODES
P.E. Valve Coil
Yellow Wires
FIGURE 4 - P.E. VALVE COIL TEST
Summary of Contents for 3LX
Page 69: ...69 NOTES N O T E S ...
Page 70: ...70 NOTES N O T E S ...
