CAMM
Air Monitor Corporation
116-044-91.P65 (8/31/10)
CAMM - IO&M Manual
59
8 – TROUBLESHOOTING (con't)
SECTION 8 – TROUBLESHOOTING
Personnel should be familiar with the operation of the CAMM (see Section 5) before performing any
troubleshooting.
If after following the Troubleshooting steps the CAMM continues to operate improperly,
contact the Service Department for further assistance (see Section 10).
Solution
– Verify AUTO-purge is on, interval and activation are properly set (see Section 5.11).
– Check for proper terminal strip wiring and connections (see Section 4.5).
– Turn power switch on CAMM OFF and back ON.
– Replace CPU Board.
– Replace CPU Board.
– Check Temperature input for open circuit between Temperature Device and CAMM's terminal
strip.
– Verify Temperature Device is connected correctly (see Figure 4.4 or 4.5).
– Verify pressure gauge is an Absolute Pressure Gauge.
– Check for signal line leaks.
– Verify Temperature input signal from temperature device is correct.
– Verify correct linearization has been selected (see Section 5.7).
– Process signal is outside of –10% to +110% of the calibrated process range.
– Temperature input signal is outside of –10% to +110% of calibrated Temperature Range.
– Absolute Pressure input signal is outside of –10% to +110% of calibrated Absolute
Pressure Range.
– If the password has changed from the factory default of 1,111 and forgotten, Operator
can access the Password Selection Menu by sequentially pressing UP, DN, UP, and
ESC.
Problem
AUTO-purge Function is
not working.
"CPU Activated" LED is not
flashing
"CPU Activated" LED is
flashing, display has
characters but is not
functioning.
Temperature output and
display (if used) are
saturated negative.
Absolute pressure calibration
display indicates "Bad Input
Zero" or "Bad Input Span".
Temperature output and
display (if used) have an
error of > 5%.
"Unreliable" is displayed on
Line 1 of the display.
"Unreliable" is displayed on
Line selected to display
Temperature.
"Unreliable" is displayed on
Line selected to display
Absolute Pressure.
Unable to access Operator
Setup
Summary of Contents for CAMM
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