KwiKool KPHP Series Operation Manual page 15

Fault
Unit Displays LP, Audio
alarm is sounding during
start up or while operating.
Unit Displays A1, Audio
alarm is sounding during
start up.
Audio alarm fails to clear on
start up or while operating,
unit displays FP.
System is ON and display is
showing ON but unit is not
supplying conditioned air.
System is ON but the
microprocessor board
resets the time delay
(flashing F or C) when the
compressor attempts to
start.
Power is supplied but
control is blank
Possible Cause
Microprocessor board has
detected low pressure. This
alarm might cycle on and
off.
Phase Monitor (if equipped)
has detected incoming
power issue.
Microprocessor has
detected freezing on the
evaporator coil if the system
has a factory installed freeze
sensor. (Special order)
System is in time out (F or
C is flashing), set point is
satisfied below or above
room temperature in
selected mode or control is
adjusted out of operating
parameters or not in the
correct operational MODE.
Microprocessor board
detects voltage drop below
operating parameters.
Low voltage circuit is not
engaged
Possible Solution
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.
Adjust Phase Monitor as
needed to match incoming
power.
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.
Wait 2 minutes, review
System Operations guide.
Confirm the integrity of
your source power, check
for proper wire size and
length of power extension
cable. Be sure the circuit is
dedicated to only the
operation of your KwiKool.
Check source power
breaker and verify incoming
power to connector. Call
1-800-KwiKool for assis-
tance.
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