Watts Aerco Benchmark OMM-0117 Operation And Maintenance Manual page 89

Benchmark 5000-6000 Operation & Maintenance Manual
SECTION 6 – AERTRIM OPERATION
The C-More does not display a message when O
O levels fall outside the target range, one of the messages listed in Table 4-3 will be displayed
2
when you view the Trim State menu item in the O2 Trim menu.
TABLE 6-3: AERtrim Operation Interruption Errors
ERROR MESSAGE
BV Hi Err
BV Lo Err
Max Iter
Tmp Rng Err
FR Rng Err
OMM-0118_B • GF-203 • 5/9/2019
levels are within the target range. However, if
2
CAUSE
Trim operation exceeds
allowable blower voltage limits
Trim Operation reached
maximum iteration. Wait and
try again
Outlet temp is outside of
temperature range
Fire Rate is not within track
range during trim operation
Technical Support • (800) 526-0288 • Mon-Fri, 8 am - 5 pm EST
POSSIBLE SOLUTIONS
Check air filter, gas regulator,
combustion calibration
Check sensor calibration; it
may need to be replaced
Check sensor calibration for
inaccuracies
Increase gain or iteration
attempts
None-Normal Operation
None – Steady State has not
been achieved
Page 89 of 148