Bacharach Portable Combustion Analyzer - Page 78

Troubleshooting
TABLE 7-1. TROUBLESHOOTING GUIDE (Cont.)
PCA
Fault Probable Cause & Remedy
Backlight will not turn on.
Batteries do not last 10 hours.
Erratic Combustion Test Screen
values.
Analyzer will not calibrate prop-
erly.
Backlight LED burned out. Return
to Bacharach for repair.
Cold temperature is reducing bat-
tery capacity. To obtain longer oper-
ating time, keep analyzer warm.
a. Faulty sensor(s):
-
Check that the sensors are prop-
erly installed per Sections 6.6
through 6.8.
-
Check sensor calibration per
Section 5.0.
- Replace sensor(s) and recal-
ibrate per Sections 5.0 and 6.0.
b. Probe assembly leaking. Check
tightness of all hose connections
and integrity of tubing.
c . Pump defective. Replace pump &
motor assembly.
d . Analyzer defective. Return to
Bacharach for repair.
a. Wrong calibration gas or insuffi-
cient flow being applied to sensor.
Ensure your calibration setup is
correct.
b. Faulty sensor. Replace sensor and
recalibrate per Sections 5.0 and
6.0.
c . Analyzer defective. Return to
Bacharach for repair.
7-6 Instruction 0024-9219