Owner's Manual

Page 15
Condensate is not pumping. Water is below pumping
level, external line
restricted, line installed with
too high of lift.
Reservoir fills, and then
pumps. Check for line
crimping or restrictions and
proper line run height. Refer
to the user guide Section 5:
Built in Safeguards.
Evaporator coil is freezing Low or restricted air flow.
Undersized capacity, unit
constantly on, unable to
achieve set point. Low
return air temperature out
of factory specifications.
Evaporator door open,
mechanical system
malfunction.
Direct supply return air to
area of highest heat load,
check for blocked air flow
from the supply air, replace
air filters, adjust set point to
allow the unit to cycle, add
another KwiKool system or
larger capacity model, close
evaporator compartment
door, check for correct
rotation and inspect drive
belts on KIB120XX supply
air blower for worn condi-
tion or breaking, Install
service gauges to view
pressures.
Call 1-800-KwiKool
Chatter or hum is heard
from the control box while
the system is operating.
Incoming source power is
poor or low voltage compo-
nent is faulty.
Check for proper voltage
selection on 208/230 volt
units, remove excess or
undersized power cable, and
check incoming power.
Call 1-800-KwiKool.
Discharge air exhaust fan
stops and the system
alarms HP during operation.
KIB120XX only.
Condenser drive has
detected a fault with the
incoming electrical power or
is not receiving an operating
signal.
Check condenser motor
drive (VFD) for trip, reset if
needed. Note displayed fault
code on the drive and call
1-800-KwiKool if the problem
persist.
Fault Possible Cause
Possible Solution
99 Flashes on display Ambient room temperature
over 99 degrees F.
Unit is working properly.
Lowering of room tempera-
ture will rectify the flashing.
60 Flashes on display Ambient room temperature
under 60 degrees F.
Limits of unit have been
reached. Operating tempera-
tures are 65 - 105 degrees F.