KwiKool KPHP Series Operation Manual page 17

Fault
Chatter or hum is heard
from the control box while
the system is operating.
99 Flashes on display
Temperature below 60
Flashes on display in Cool
Mode.
Possible Cause
Incoming source power is
poor or low voltage compo-
nent is faulty.
Ambient room temperature
over 99 degrees F.
Ambient room temperature
under 60 degrees F.
Possible Solution
Check for proper voltage
selection on 208/230 volt
units, remove excess or
undersized power cable, and
check incoming power.
Call 1-800-KwiKool.
Unit is working properly.
Lowering of room tempera-
ture will rectify the flashing.
Limits of unit have been
reached in cool mode.
Operating temperatures are
65 - 105 degrees F.
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