![]() Supply or return air is blocked or restricted, and or the evaporator coil is freezing. Supply air flow is limited, and or water is dripping from the front of the system No connection of temperature sensor to Microprocessor. Note: To avoid excessive fan cycling, discharge return air must not be below the specifications of your KwiKool system.ĭisplay shows 32 and unit will not turn on cooling. Only the KIB120 or units with optional ultra-low ambient temperature controls ramps up and slows down. Normal operating condition especially in low temperatures. ![]() 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. Verify the circuit and power cable is within the systems specifications, consult with your electrician or call 1-800-KwiKool for guidance. Incoming power is incorrect, breaker is undersized or faulty, and or power cable is too long and or undersized. Be sure the circuit is dedicated to only the operation of your KwiKool.Ĭheck source power breaker and verify incoming power to connector, reset switch on low voltage transformer in KIB120XX and KIB6043 systems. Microprocessor board detects voltage drop below operating parameters.Ĭonfirm the integrity of your source power, check for proper wire size and length of power extension cable. System is ON but the microprocessor board resets the time delay (flashing F or C) when the compressor attempts to start. Wait 2 minutes, review System Operations guide of the Owner's Manual. 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. System is ON and display is showing ON but unit is not supplying conditioned air. (Special order)Ĭheck 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. Microprocessor has detected freezing on the evaporator coil if the system has a factory installed freeze sensor. See Troubleshooting Guide for systems equipped with a phase monitor (Appendix - Part B of the Owner's Manual).Īudio alarm fails to clear on start up or while operating, unit displays FP. Phase Monitor (if equipped) has detected incoming power issue on equipped systems. Unit Displays A1, Audio alarm is sounding during start up. Call 1-800-KwiKool if condition continues. Resets automatically when fault condition is corrected. Make sure nothing is blocking the filter inlet. This alarm might cycle on and off.Ĭheck air filter and replace if dirty. Microprocessor board has detected low pressure. Unit Displays LP, Audio alarm is sounding during start up or while operating. Press button to reset (you should feel a click). On KIB12023 or KIB12043 check VFD (motor drive) for trip. Check condenser motors and/or blowers for proper operation. Check for condenser air system ventilation (See Section II. High pressure is normally caused by reduced condenser air flow. ![]() Microprocessor board has detected high pressure. Unit Displays HP, Audio alarm is sounding during start up or while operating. Resets automatically upon fault correction, or call 1-800-KwiKool if the problem persist. Inspect condensate pump for over flow and proper operation, check condensate line for a clog or crimping. Microprocessor board has detected high water level in the condensate pump. Unit Displays CP and Audio alarm is sounding during start up or while operating. System automatically resets when fault condition is corrected. Unplug bypass plug or tank plug and reinstall to assure good connections. Water level switch is engagedĮmpty External Tank (if using). Condensate bypass jack or condensate float switch jack is not installed or not positioned correctly. Unit displays CF, Audio alarm fails to clear on start up or while operatingĮxternal Condensate Tank is full.
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