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System is ON but the
microprocessor board
resets the time delay
(flashing F or C) when the
compressor attempts to
start.
Microprocessor board
detects voltage drop below
operating parameters.
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.
Power is supplied but
control is blank
Low voltage circuit is not
engaged
Check source power
breaker and verify incoming
power to connector, reset
switch on low voltage
transformer in KIB120XX
and KIB6043 systems. Call
1-800-KwiKool for assis-
tance.
System trips breaker on
start up
Incoming power is incorrect,
breaker is undersized or
faulty, and or power cable is
too long and or undersized.
Verify the circuit and power
cable is within the systems
specifications, consult with
your electrician or call
1-800-KwiKool for
guidance.
System starts up and cools
but the condenser discharge
air exhaust fan ramps up and
slows down or the
condenser discharge fan
stops and starts.
Normal operating condition
especially in low tempera-
tures. Only the KIB120 or
units with optional ultra-low
ambient temperature
controls ramps up and
slows down. All other
models stop and start.
No action required, see
sections IV C. 2
Note: To avoid excessive
fan cycling, discharge
return air must not be
below the specifications of
your KwiKool system.
Page 14
Supply air flow is limited, and
or water is dripping from the
front of the system
Supply or return air is
blocked or restricted, and or
the evaporator coil is
freezing.
Verify that supply and
return air are not blocked
and duct work is installed
to specification, remove or
add duct as needed, check
air filter for blockage.
KIB120xx users check
supply air fan for correct
rotation, refer to Appendix
B.
Fault Possible Cause Possible Solution
Display shows 32 and unit
will not turn on cooling.
No connection of tempera-
ture sensor to Micropro-
cessor. Temperature
Sensor malfunction.
Call 1-800-KwiKool for
instructions.
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