Honeywell GasAlertMicro 5 - Calibration and Pump Issues

83
GasAlertMicro 5/PID/IR
Troubleshooting
Table 21. Troubleshooting
Problem Possible Cause Solution
Pump Operation Troubleshooting
There is an obstruction in the
tubing.
If using tubing that is attached to the sample probe, determine if it is
obstructed. If not, clean or replace the pump filter. Refer to Replacing the
Pump Filter.
Filter needs to be cleaned or
replaced.
Clean or replace the pump filter. Refer to Replacing the Pump Filter
.
Pump is drawing too much air
over the sensors.
For newer model pump modules, the pump may be drawing too much air
over the sensors. Attach the auxiliary filter to reduce the flow. Refer to
Attaching the Auxiliary Filter
.
Detector enters alarm with
LEL reading displaying as
over limit (OL).
Pump flow rate is set too high. 1. From Tech Mode
, scroll to the Pump option and press C.
2. From the Pump Speed screen, press H to decrease the speed to 150.
3. Exit user options. The detector automatically initiates a pump test.
4. If the pump alarm persists, contact BW Technologies by Honeywell
.