General Alarms
Message Condition
Alarm
Indications
HIGH Gas exceeds “High Alarm” limit
3
beeps/flashes
per second
OVR Gas exceeds sensor’s measurement range
3
beeps/flashes
per second
MAX Gas exceeds electronic circuit’s maximum range
3
beeps/flashes
per second
LOW Gas exceeds “Low Alarm” limit*
2
beeps/flashes
per second
TWA Gas exceeds “TWA” limit
1 Beep/flash
per second
STEL Gas exceeds “STEL” limit
1 Beep/flash
per second
Crossed pump
icon flashes
Inlet blocked or pump failure
3
beeps/flashes
per second
“Lamp” flashes PID lamp failure
3
beeps/flashes
per second
Empty battery
icon flashes
Low battery
1 flash, 1 beep
per minute
CAL Calibration failed, or needs calibration
1 beep/flash
per second
NEG
True sensor reading is below zero, even though a zero
reading is shown for the sensor.
1 beep/flash
per second
* For oxygen, “low alarm limit” means a concentration is lower than the low alarm limit.
Honeywell MultiRAE Series™ 154 User Manual