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Page 13
Audio alarm fails to clear on
start up or while operating,
unit displays FP.
Microprocessor has
detected freezing on the
evaporator coil if the system
has a factory installed freeze
sensor. (Special order)
Check for freezing on the
evaporator coil and turn the
system off to let it thaw out,
call 1-800-KwiKool if your
system is not equipped with
a freeze sensor. Auto resets
upon correction.
System is ON and display is
showing ON but unit is not
supplying conditioned air.
System is in time out (F or
C is flashing), control is set
above room temperature or
control is adjusted out of
operating parameters or not
in the correct operational
MODE.
Wait 2 minutes, review
System Operations guide.
Unit Displays LP, Audio
alarm is sounding during
start up or while operating.
Microprocessor board has
detected low pressure. This
alarm might cycle on and
off.
Check air filter and replace
if dirty. Make sure nothing is
blocking the filter inlet.
Check for icing on coil.
Resets automatically when
fault condition is corrected.
Call 1-800-KwiKool if
condition continues.
Unit Displays A1, Audio
alarm is sounding during
start up.
Phase Monitor (if equipped)
has detected incoming
power issue on equipped
systems.
See Troubleshooting Guide
for systems equipped with a
phase monitor (Appendix -
Part B).
Unit Displays HP, Audio
alarm is sounding during
start up or while operating.
Microprocessor board has
detected high pressure. The
High Pressure switch is
tripped.
High pressure is normally
caused by reduced
condenser air flow. Check
for restriction in ducting.
Check for condenser air
system ventilation (See
Section II. C. 4). Check
condenser motors and/or
blowers for proper opera-
tion. On KIB12023 or
KIB12043 check VFD
(motor drive) for trip. Reset
if necessary. High pressure
is a manual reset type. To
reset, open filter door. The
button is located above the
filter. Press button to reset
(you should feel a click).
Fault Possible Cause Possible Solution
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