MSA Ultima X - Troubleshooting Guidelines

Troubleshooting Guidelines
Table 4-1. Troubleshooting Guidelines
SYMPTOM POSSIBLE CAUSE PROBABLE SOLUTION
Low Flow Sample line clogged Check and replace or clean sample line
indicator is ON
A leak internal to the Check tubing inside the Ultima X
Ultima X Sampling Module Sampling Module, especially the fittings
Inoperative flow switch Replace flow switch (preset at factory)
No or low air pressure Supply compressed air to the air inlet
to the aspirator of the Ultima X Sampling Module
Air pressure regulator Re-adjust air pressure regulator
set too low
The sample line is under Remove vacuum from sample line inlet
a vacuum
Dirty/clogged aspirator Clean or replace aspirator
Dirty end-of-line or Replace dirty end-of-line or in-line filter
in-line filter
Exhaust clogged Clean or replace exhaust tubing
No sensor Sensor is approaching its Replace sensor
output or end-of-life
low output
The ambient is too cold or Place the Ultima X Sampling Module in
too hot for the sensor warmer or cooler ambient environment
A leak in the sample line Check and repair any leaks in the
sample line
Inoperative sensor Replace sensor printed circuit board
electronics
Exhaust clogged or restricted Unclog or remove the restriction on
the exhaust
Dirty sample filter Replace dirty sample filter
Inoperative flow sensor Replace inoperative flow sensor
Sensor wiring plug loose Reconnect sensor wiring plug
Bad wiring connection Check wiring and replace or repair any
between instrument and inoperative wiring or connections
Ultima X Sampling Module
No power to the unit Turn control instrument ON
Improper voltage selection at Select proper voltage at the control
the control instrument instrument
Inoperative relay Replace printed circuit board assembly
4-2