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Reposition or replace as needed Clean & advise customer of periodic cleaning & maintenance needs of entire unit Problem Possible Cause Action Prolonged off cycles (automatic operation) Anticipator (resistor) wire disconnected at t-stat or system switch Anticipator (resistor) shorted or open Partial loss of charge in t-stat bulb causing a wide differential Refer to appropriate wiring diagram Disconnect plus from outlet. Remove resistor from bracket. Insert plug & depress "COOL" & "FAN AUTOMATIC" buttons. Place t-stat to warmest setting. Feel resistor for temperature. If no heat, replace resistor Replace t-stat Problem Possible Cause Action Outside water leaks Evaporator drain pan cracked or obstructed Water in compressor area Obstructed condenser coil Fan blade/slinger ring improperly positioned Repair, clean or replace as required Detach shroud from pan & coil. Clean & remove old sealer. Reseal, reinstall & check Use pressure wash or biodegradable cleaning agent to clean Adjust fan blade to 1/2" of condenser coil Heat / Cool Room Air Conditioners: Troubleshooting Tips Problem Possible Cause Action Room temperature uneven (Heating cycle) Heat anticipator (resistor) shorted (on applicable models) Wide differential - partial loss of t-stat bulb charge Incorrect wiring Disconnect power to unit. Remove resistor from t- stat bulb block. Plus in unit & allow to operate. Feel resistor for heat. If not heat, replace resistor Replace t-stat & check Refer to appropriate wiring diagram. Resistor is energized during "ON" cycle of compressor or fan. Problem Possible Cause Action Unit will not defrost Incorrect wiring Defrost control timer motor not advancing (applicable models) Defrost control out of calibration (applicable models) Defrost control contacts stuck Defrost control bulb removed from or not making good coil contact Refer to appropriate wiring diagram Check for voltage at "TM" & "TM1" on timer. If no voltage, replace control If outside coil temperature is 25F or below, & preselected time limit has elapsed, replace defrost control If contacts remain closed between terminals "2" & "3" of the defrost control after preselected time interval has passed, replace control Reinstall & be assured that good bulb to coil contact is made Problem Possible Cause Action Does not heat adequately Exhaust or fresh air door open Dirty filter Unit undersized Outdoor t-stat open (applicable models) Heater hi-limit control cycling on & off Shorted supplementary heater Incorrect wiring Check if operating properly. Instruct customer on proper use of control Clean as recommended in Owner's Manual Check heat rise across coil. If unit operates efficiently, check if insulation can be added to attic or walls. If insulation is adequate, recommend additional unit or larger one T-stat should close at 38°F. Check continuity of control. If temperature is below 38°F, replace control Check for adequate fan air across heater. Check control for open at 160°F & close at 150°F Ohmmeter check, approx. 32-35 ohms Check applicable wiring diagram Heat / Cool Room Air Conditioners: Troubleshooting Tips Problem Possible Cause Action Incorrect wiring Refer to applicable wiring diagram Defective solenoid coil Check for continuity of coil Unit cools when heat Block condenser coil & switch unit to cooling. Allow is called for Reversing valve fails to shift pressure to build up in system, then switch to heating. If valve fails to shift, replace valve. Inoperative system switch Check for continuity of system switch Problem Possible Cause Action Cooling adequate, but heating insufficient Heating capillary tube partially restricted Check valve leaking internally Reversing valve failing to shift completely; bypassing hot gas Check for partially starved outer coil. Replace heating capillary tube Switch unit several times from heating to cooling. Check temperature rise across coil. Refer to specification sheet for correct temperature rise De-energize solenoid coil, raise head pressure, energize solenoid to break loose. If valve fails to make complete shift, replace valve. 19 Components Model CP14N10 Model CP14N10 No Description Qty Friedrich Part# Code Supporter Assy 1 67700200 Screw ST4.2X13 7 67700154 Window locking bracket 2 67700113 Screw 4X20 6 67700151 Seal strip 1 1 67700128 Seal strip 2 1 67700129 Curtain Assemby Left and Right 1 67700201 Right Curtain 1 67700202 Left Curtain 1 67700203 Cabinet Assy 1 67700204 Screw ST4.2X6.5 6 67700155 Screw M4X8 1 67700149 Connect cord 1 67700170 Screw M4X5 1 67700205 Washer 4 1 67700158 Screw ST4.2X22 4 67700153 Top Rail Assy 1 67700206 Screw ST4X10 4 67700152 Condenser Assy 1 67700207 Nut with Washer M10 1 67700157 Washer 10 1 67700159 Fan Blade 1 67700117 Shroud, Fan Blade 1 67700208 Top Cover 1 67700110 Motor Support 1 67700112 Motor CJ100U 1 67700209 Innerwall 1 67700109 Shroud 1 67700127 Air Outlet Foam 1 67700130 Swing Louver 2 67700210 Swing Linkage 2 67700124 Motor, Swing Louver 1 67700211 Infl ectional Axis 1 6770...

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